10 seconds of exigency

So I'm loading groceries into my car this afternoon, and this senior citizen pulls his car up behind me and rolls down his window. He eyes the Obama sticker on the back of my car and says something like, "You know your man Obama has ties to terrorists. Maybe you should think that over." I just blew him off, told him to feel free to think whatever he wanted. After all, am I going to get into some political dialogue and/or argument with some old man in a parking lot?

I don't think so.

But I'm curious about the motivation. We've all seen bumper stickers and shirts with various slogans that we might take issue with. How many times have you felt the need to say something? What's going on in the mind there? Does the guy think he's honestly going to change my mind this way? If so, did he consider what might be the best argument he could offer with his ten seconds? Not that it would have mattered anyway.

Of course I don't think purpose was on his mind. This is just verbal diarrhea, a need to express some frustration at a worldview he can't understand.