Or they get angry and make aggressive maneuvers that put you and others at greater risk. Yes, motorists should just get used to sharing the road with cyclists, but reality is usually a compromise between what is the theoretically safest option vs what is the safest practical option given the current road conditions and the skill of surrounding drivers.
That's for their insurance to deal with.
Their insurance isn’t going to bring you back to life after they hit you.
I don't experience a murderous rage from drivers, but I'm also not american.