I mean, yes? Society has decided that cars are worth the convenience because of all their advantages. Now is America too obsessed with cars, and totally ignorant of pedestrian safety? Yes of course. But other countries aren't so bad on that front and they still accept some deaths. It's easy to see the utility of cars.
Less so for guns.
> it was one of the worst performing developed countries for pedestrian deaths
How's it performing on the mass shooting front?