If they keep that up, they won't live long enough to make an impression on too many more motorists. I'm so sorry you had that experience!
Yep, it's a question of how many other folks they jeopardize in the meantime.
I would have told them what I thought on the spot, but then, for a short guy, I'm prone to living vicariously on the edge of my freedom of verbal and manuic expression
If you don't grow where you're planted, you'll never BLOOM - Will Rogers