Someone who popped out on purpose would pose a different thing to react to than someone who blindly wandered out, but the question you should still ask is, what would you do if YOU drove the car.
If this is your attitude, that you aren’t at least going to slam the brakes hard to try to lessen the damage to the kamikaze pedestrian, then that speaks for itself.
“If this is your attitude, that you aren’t at least going to slam the brakes hard to try to lessen the damage to the kamikaze pedestrian, then that speaks for itself.”
The question doesn’t allow for the possibility of braking to avoid hitting them. You’re imagining different scenarios than the one that is posed in the article and then condemning people for failing to respond to the imaginary scenario in your head. Get a grip.