I can sympathize a little with him for taking a stand for what he believes, but I can even more sympathize with people who use common sense and show better judgment than this schmo.
Dude, the main injury was to your narcissism. In that situation, law enforcement is in control, and if you challenge them, what do you think is going to happen? Let them search your car for a few minutes rather than escalate with them and be on your way. Grumble about it later - at least you'd be taser-free and without need for stitches.
"The Universe is the game of the self, which plays hide and seek forever and ever" - Alan Watts