But is it safer than human drivers? This is the real question, because a "perfect" autopilot may be impossible because of cases where it must choose between sa

But is it safer than human drivers? This is the real question, because a "perfect" autopilot may be impossible because of cases where it must choose between sacrificing something outside the car vs its occupants and there will be disagreement. Setting the bar at "perfect" is pretty unrealistic given that humans are already pretty bad.