you brought up too many issues to answer on one post. The argument about responsibility is one that may revolutionize our whole society. I regularly argue that with a copper mate of mine, over a few drinks.
Because of his training, he takes the legal view that you are "in-charge of the vehicle. (he also has a degree in law) I reply that it is an autonomous vehicle, and I am in the passenger seat reading Hot Copper. "How could I be responsible?"