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← People and their mental models

Jacob Trefethen's mental models

3 claims Jacob Trefethen made fit 1 mental model. Most often: Bottlenecks. Everything they said here.

Models they name

Their own words name the idea.

Bottlenecks

A system moves only as fast as its narrowest point; speed up anything else and nothing changes.

AI will not on its own compress decades of medical progress into a few years, because the binding constraint is human data, clinical trials and regulation rather than intelligence.

  1. Jacob Trefethen Head of global health R&D at Open Philanthropy Those are why I do not believe that AI could end disease within 10 years on its own, nor that 50-100 years of medical progress could occur 5-10 years after powerful AI due to AI progress alone AI will not suddenly lead to an Alzheimer's cureblog.jacobtrefethen.com · 2 Aug 2025All korrents from this piece
    Those are why I do not believe that AI could end disease within 10 years on its own, nor that 50-100 years of medical progress could occur 5-10 years after powerful AI due to AI progress alone

Some diseases are technologically solved and still spread, because the remaining bottleneck is trust rather than science.

  1. Jacob Trefethen Head of global health R&D at Open Philanthropy Measles is technologically “solved”, but not everyone trusts the solutions or their messengers. AI will not suddenly lead to an Alzheimer's cureblog.jacobtrefethen.com · 2 Aug 2025All korrents from this piece
    Measles is technologically “solved”, but not everyone trusts the solutions or their messengers.

Not every bottleneck on medical progress is one AI can remove, and which ones will remain can be guessed at now.

  1. Jacob Trefethen Head of global health R&D at Open Philanthropy But I don’t think all bottlenecks on medical progress are equally AI-able in the next decade, and I don’t think all will become irrelevant. What does AI progress mean for medical progress?blog.jacobtrefethen.com · 2 Aug 2025All korrents from this piece
    But I don’t think all bottlenecks on medical progress are equally AI-able in the next decade, and I don’t think all will become irrelevant.