Experience report published on **LinkedIn Pulse** on **August 12, 2026** by **Guillaume Dumortier**, in his newsletter *Growth Marketing Fit*, subtitled *« Four layers, a lot of rebuilding, and the failure modes nobody warns you about »*, ~2,500 words. The subject: an internal AI system built **in Claude** for a marketing team of about sixty people — roughly thirty content and sales **skills**, a dozen **source-of-truth modules**, **seven agents, six of which exist only to check work rather than produce it**, a **plugin** for those who live in a terminal, a **browser application** carrying the same knowledge for everyone else, and an orchestration that chains three or four assets into a *campaign bundle*. The thesis is set out early: the quality of an AI output is not determined at the moment of generation, but by what the system knows before it starts and by what happens to the draft afterward — *« The generation step in the middle is the easy part. It's also the only part most teams have built. »* Hence four layers: **Truth** (almost nobody builds it), **Production** (everybody), **Verification** (almost nobody), **Internal distribution** (*« where good systems die of neglect »*). Two failure mechanisms carry the article. **(A) The verifier's bare closed-world « pass »**: a fact-checker backed by product documentation receives a draft containing a claim about another product, one its sources did not cover — it returns a *« pass »*, not because the claim was true but because nothing contradicted it. *« It didn't just miss the error, it certified it. »* Fix: forbid a bare verdict and require every report to declare its **own coverage** — how many claims were checked, how many matched to sources, which fell outside its jurisdiction, which were owned by no source. *« "I can't verify this" became a first-class result. »* **(B) The cross-asset contradiction**: two assets can each be individually correct, each traceable to a real source, and still contradict each other — the press release states one date, the blog post another, both pass, the bundle can't ship. *« Per-asset verification can't catch that, by construction. »* Article's closing clause: *« The generation is free. The trust is the product. »*
**Guillaume Dumortier** — auteur de la newsletter LinkedIn **Growth Marketing Fit** (~1 300 abonnés à la publication). Il écrit en **praticien-constructeur** : il a passé *« une longue partie de cette année »* à bâtir et exploiter le système décrit. La légende de l'illustration précise le socle technique — *« A custom-built Marketing AI OS within Claude »*. Publié le **12 août 2026**.
Fact-checking synthesis on **Delos Intelligence** (delos.so), a French B2B generative AI startup, comparing a prior tech-watch note against **primary sources** (Alexandre Dewez's "Overlooked" post / 20VC, April 15, 2025, the delos.so website, official registries) and specialized press (Le Monde Informatique, L'Usine Nouvelle, FrenchWeb, Le JDD). **Overall verdict: reliable factual backbone.** The **€2.5M seed round** (≈$2.74–2.83M) led by **20VC** (Harry Stebbings) in **April 2025**, with Inovia Capital, Kima Ventures (Xavier Niel) and Plug and Play, is confirmed; so are the founders (brothers **Pierre** and **Thibaut de la Grand'rive**) and the clients **TotalEnergies, Shiseido, Groupe Casino**. **Strong methodological point**: the list of business angels — often suspected of hallucinatory "padding" — is **CONFIRMED word for word** by the lead investor's press release (Pigment, Dataiku, Hexa plus Ramp and Kerala to add): this is therefore NOT a hallucination. **To correct**: the "50 people" headcount is **not sourceable** (~20 in April 2025, about forty by late 2025); the actual pricing grid is richer (a **Student tier at €10** plus Enterprise on request, in addition to €25/45/80); user figures (10,000 → 50,000 → "100,000+") and ARR are **self-reported and unaudited**. **To flag as speculative**: **no Series A has closed** (only announced as an intention targeting March 2026); **no overall ARR published** (the only mention is a self-promotional "$1M ARR in a few days" for the new **Workers** product, referring to that product alone). "100% Scaleway" sovereignty was **still being finalized** at the end of 2025 (compute still partly running on Azure France). The note's interest is as much methodological — **how to distinguish, within an AI-generated synthesis, what is confirmed, partially accurate, speculative, and self-reported** — as it is documentary.
#Delos Intelligence#delos.so#fact-checking
Synthèse de veille (fact-checking) — sources primaires : blog 20VC (Alexandre Dewez) · delos.so · registres officiels ; presse : Le Monde Informatique · L'Usine Nouvelle · FrenchWeb · Le JDD
SFEIR's engineering-cabinet analysis ("an engineer's reading") of the **July 16, 2026** launch of **Kimi K3** by the Chinese laboratory **Moonshot AI**: an **open-weights, frontier-class model** whose provider claims **~2.8 trillion parameters**, a **one-million-token context**, and **weight release before July 27, 2026** (likely under a Modified MIT license, as with the K2 lineage). Thesis: capability once thought reserved for proprietary giants (Anthropic, OpenAI, Google) is becoming available **in open weights, at a discount price, from a Chinese lab**. SFEIR — despite being an **Anthropic and Google Cloud partner**, and thus "with no interest in overselling a Chinese model" — adopts a cardinal **methodological caveat**: on launch day, **no official, complete benchmark table** exists; specs (2.8T, Kimi Delta Attention, +25% training efficiency) and scores are **vendor-stated** or drawn from **community arenas**, "to be treated as claims, not measured facts." The new architecture (**Kimi Delta Attention**, hybrid linear attention; decoding claimed up to **6.3x faster** at 1M tokens) breaks with the K2 cadence (K2 Jul. 2025 → K2.7 Code Jun. 2026, a flagship every two months); two variants accompany the launch (**K3 Max**, **K3 Swarm Max**), with forced sunsetting of the kimi-k2.5/moonshot-v1 series on **August 31, 2026**. **The real weapon is price** (~$3/M input, $0.30 cached, $15 output per secondary sources): a frontier open-weights model at this level **pulls the whole price-performance curve down** — the commoditization of the model layer, accelerated by open source. But the decisive singularity is not a score: it is **reversibility**. A frontier open-weights model turns a consumed API (vendor dependency) into an **option** (self-host, portability, exit from lock-in), at the cost of heavy infrastructure to host 2.8T parameters. SFEIR's view: **open-weights changes the question, not just the answer** — no longer "which model is best/cheapest?" but "how much of my system am I willing to make dependent on a vendor I don't control?". The right posture remains a **routed portfolio** (one model per task, one model per constraint), with Kimi K3 adding a **"reversibility" column** to the decision grid. The "AI Only" conviction stands unchanged: the model is a commodity, the durable advantage lies in the engineering around it (Context Engineering, harness, cost governance, ability to change one's mind). The figures still need validating "on your own" — your repositories, your data.
Post by **David "Pragdave" Thomas** (co-author of *The Pragmatic Programmer*, signatory of the Agile Manifesto) published on **June 6, 2026** on his Substack newsletter. **Thesis**: AI does not abolish code degradation, it **accelerates** it. While adding features to a small personal animation/graphics project with **Claude**, the author moves from initial enthusiasm (oklch, SVG animations shipped in a week) to permanent regression cycles by week two. Striking formulation: what teams took ***"18 months, or even more"*** to rot, he reached in ***"18 hours spread over five evenings."*** **Root cause**: the abandonment of **code hygiene** (massive duplication, local solutions to systemic problems, over-conditioning, proliferation of special cases). **Behavioral diagnosis**: LLMs optimize for user engagement and satisfaction (*"That's a great idea, Dave!"*) rather than durability — they are ***"puppy-dog junior developers, eager to please but quite messy to have around"*** who constantly propose new features and discourage refactoring. **Central insight**: any non-developer can succeed at the *"first week"* of AI coding; it is **professional judgment** — knowing when to stop to refactor — that separates the experienced engineer from the novice. **Epigraph** (Gordon Bell): *"Every big computing disaster has come from taking too many ideas and putting them in one place."* **Conclusion**: ***"It's still just programming"*** — untended code rots, whether in 18 hours or 18 months; everything learned about good code still holds, the effect is simply **amplified**. Converges with the *"the faster execution gets, the stricter the framework must be"* doctrine of [[rafal-wenvision-ingenierie-logicielle-ere-ia-tout-change-rien-ne-change-2026-06-01]], the *"AI-assisted development is a trap without continuous delivery"* of [[farley-continuous-delivery-ai-assisted-development-trap-2026-05-13]], and the *"AI moves bottlenecks, it doesn't eliminate them"* of dropbox-okumura-beyond-code-generation-engineering-productivity-ai-agents-2026-05-28; a craftsmanship counterpoint to vibe coding from karpathy-vibe-coding-agentic-engineering-software-3-0-2026-04-29.
#code hygiene#code rot#code degradation
**David Thomas** (alias **« Pragdave »**) · co-auteur avec Andy Hunt de *The Pragmatic Programmer* (1999, éd. 20e anniversaire 2019) · co-fondateur de **The Pragmatic Bookshelf** et l'un des **17 signataires du Manifeste Agile** (2001). Figure historique du *software craftsmanship*. Billet publié le **6 juin 2026** sur sa newsletter Substack *articles.pragdave.me*.