Re: Too soon
A version of Iteration 3 happened in real life already in Arizona in 2018 when an Uber autonomous car killed a pedestrian while the human operator was not paying attention. El Reg reported the human may have been streaming TV:
https://www.theregister.com/2018/06/22/uber_fatal_crash_driver_distracted_police_report/
Crash story:
https://www.theregister.com/2018/03/19/uber_self_driving_car_fatal_crash/
Prosecutors charged the human, not Uber, with homicide, but the case appears to be unresolved:
https://www.theregister.com/2020/09/16/self_driving_uber_homicide_charge/
https://www.phoenixnewtimes.com/news/uber-self-driving-crash-arizona-vasquez-wrongfully-charged-motion-11583771