It’s a problem people knew about back when “autopilot” was just for aircraft, not cars.

https://blog.prototypr.io/automation-is-making-us-dumber-and...

Ultimately, we have to design systems for the humans that actually exist, not some hypothetical superhuman. If it's not safe for actual humans to use then it's not safe full stop. It's not like this is some new issue; it's one of the main reasons why experts have been pessimistic about the prospects of self-driving cars and why existing car companies have been reluctant to deploy heavy automation in the field.

I think he's blaming the folks who put level 3-4 vehicles on the road presumably knowing full well that said human inattention would put people at serious risk of injury and death in the car's edge cases.