Without trying to be a luddite, what happens in a self-driving car crash? That is, in court, not physically. This is yet to be tested; also, what happens in a m

Without trying to be a luddite, what happens in a self-driving car crash? That is, in court, not physically. This is yet to be tested; also, what happens in a meaningful concentration of autonomous vehicles? I'd wait at least for these to be tested before declaring autonomous vehicles "essential."