Skipped to the end after a few comments because this is an unsolvable & unknowable situation. Every side arguing like they are 100% correct with no room for error. This may, that might, blah blah.... If you believe in self-driving cars you'll make excuses for what happened, if you don't then you'll use it as proof they are the devil incarnate...
Self-driving cars are coming.
There will be fewer accidents.
That is all.