My wife has a tendency to blow the horn at people that do stupid things on the road. Though they may deserve it, I strongly discourage it. I tell her that one of these days she’s gonna blow that horn at the wrong dammed person. You just don’t have any way of knowing what kind of person(s) are in that other car, and you could end up dead.
This story is a perfect example!
I also have decided to stop any horn honks or any gestures when driving. It’s just too dangerous now.