What's really funny is when you sit behind a left lane camper for half a minute, then finally pass them on the right, give them a long dirty look as you go by, then get in front of them in the left lane and right before you punch it, open your window, sitck your arm out and violently point over the top of your roof to the lanes on the right as a way of explaining where their car should be.
Amazingly, after doing that, the guy who was content to sit in the left lane at 73mph will now do anything he can to stay on your bumper no matter what speed you're going.