OMG yes, yes, and all sorts of yes. I gleefully point these people out to my children who are usually in the car with me. "Do you see that person? That person is a ......" Depending on which child is in the car with me, I will fill in that last blank accordingly. Whenever I see a person actually ensure that an intersection - or even a driveway - is left open, I always want to get out and shake their hand.
Haha... I explain to my kids that the person is trying to get ahead but at the cost of messing everyone else up... and how selfish it is... of course, there are times when it is an accident.... but you can see the ones who do it on purpose.