I don't see this line of reasoning. To me "safer than humans" or "in the 90th percentile among drivers" is a fair go to market line. Optimally safe should stil

I don't see this line of reasoning. To me "safer than humans" or "in the 90th percentile among drivers" is a fair go to market line. Optimally safe should still be the goal. That is, no human could have provided alternative input to the computer that would have created a safer outcome.