Silicon Valley is building medical answers. Medicine needs judgment (opens in new tab)

Billions of venture dollars are flowing into a single bet: If you can generate a medically sophisticated answer fast enough, you have solved something meaningful in healthcare. The pitch is seductive. Doctors are under extreme time pressure, patients wait months, and large language models (LLMs) can now produce answers that are polished, empathetic, and clinically credible in seconds, at a fraction of the cost. The problem is that the bet is built on a category error, and medicine may spend t...