He has a point. If we don't hold people accountable they will keep doing the same stuff. So I don't agree with the tactics he used but I agree with the sentiment. I have gotten off my motorcycle several times to talk to drivers who were doing things that could have gotten me killed.
We have a huge problem in this world of calling people on their BS. I posted in another thread about being an expert in conflict resolution. You don't have to start a fight to get your point across. You can always walk away if things go bad. If you are not man enough to walk away then you should not be carrying a firearm.