Hunters are a self-selecting group of people who enjoy the activity you describe. If you don't like it or can't do it, you just don't do it.
Virtually every single adult in America has to drive, however, to live a functional life.
Your brain gets used to in-distribution events.
Car accidents (and the conditions that cause them) are out-of-distribution events.
It's that simple.
Most car accidents are effectively instantaneous. The fact your brain perks up as a bumper is coming through your side window is not very helpful.