That's not the problem. The only real factor here is that a lot of people vote against anti-car politics. End of story.
It doesn't matter that they personally are good/bad/green/egoist/selfish/selfless/saints. The problem is that they are short sighted, and don't even try to move the set-point of the traffic situation.
When I drive I hate everything and everyone, it's miserable. Nowhere to park, no one can drive, everyone is slow, everyone is in a rush...
But of course some people doesn't have such a strong emotional response to the situation, or they have a very strong response to mass transit...