It would be actually be better for the car to drive itself to the repo man, if you miss payments on it / are refusing to pay your debts to the government.

I was thinking in terms of casualties per miles driven. Agreed that this definition doesn't capture all the danger.

Casualties per miles driven is a terrible stat for current self-driving technology because as it stands, it forces drivers to take over in the most dangerous situations. And you can't generalize for all miles in cars capable of self-driving because the population who own cars like that are not representative of the average. It's a very tricky thing to accurately measure whether it's safer for an individual to drive themselves or let the car do it for them.

Considering the people least likely to pay their taxes are those who could afford them easiest I would be all for that.