Evidence theater: how AI fooled smart entrepreneurs
Evidence theater: how AI fooled smart entrepreneursWhat Steve Blank’s Stanford class uncovers about AI and cognitive biases in product discoveryMarcus CastenforsOct 12, 2026ShareSteve Blank is a G.O.A.T. The course is designed to help budding entrepreneurs with rigor and structure to test their seedling ideas. The curriculum is antithetical to the norm of the “business plan”.
- ▪Evidence theater: how AI fooled smart entrepreneursWhat Steve Blank’s Stanford class uncovers about AI and cognitive biases in product discoveryMarcus CastenforsOct 12, 2026ShareSteve Blank is a G.O.A.T.
- ▪The course is designed to help budding entrepreneurs with rigor and structure to test their seedling ideas.
- ▪The curriculum is antithetical to the norm of the “business plan”.
Hacker News (AI / LLM) files mainly under ai. We currently carry 8,001 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Substack |
| Canonical URL | https://mcastenfors.substack.com/p/evidence-theater-how-ai-fooled-smart |
| Publication time | Mon, 12 Oct 2026 09:21:08 +0000 |
| Retrieval time | 2026-10-12T09:41:23.830Z |
| Last seen | 2026-10-12T09:41:23.830Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | QXbrCQr3pV6- |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Evidence theater: how AI fooled smart entrepreneursWhat Steve Blank’s Stanford class uncovers about AI and cognitive biases in product discoveryMarcus CastenforsOct 12, 2026ShareSteve Blank is a G.O.A.T. He’s an 8-time entrepreneur, a teacher at Stanford, father of Customer Development which later spawned the Lean Startup movement.When he writes about something, we should pay attention.A while back he started publishing a series of articles to share insights from his Lean Launchpad class he’s been teaching over the last 15 years. The course is designed to help budding entrepreneurs with rigor and structure to test their seedling ideas. The curriculum is antithetical to the norm of the “business plan”.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Substack.
Discussion
0 commentsMore from Substack
