As you note, you're coming from impossible premises ("assuming your actions never affect anyone else"). Do you expect to come to meaningful conclusions? In oth

As you note, you're coming from impossible premises ("assuming your actions never affect anyone else"). Do you expect to come to meaningful conclusions? In other words, as a buyer, I do care about the occupant safety rating, you are correct in that. As a road user, I also care that other people's cars consider me as irrelevant, my potential death an externality to be amortized in the purchase prize.