S
Shutpa
I can just imagine you edging ever nearer to his car trying to frighten him into giving way and then blowing your top when he didn't. I think you had an imaginary war mate and lost and that is what is really bugging you!
I still think that what I said above holds true and as you say it is not a God given right.
It may be common courtesy, but I am sure that the driver in question will, like most of us, extend courteous or respectful or considerate acts in any situation, as and when it suits him.