That's because over 50% don't pay any income tax. These are the same people who don't usually vote, however.
Anyway, what polls are you talking about? It depends how the question is framed. If you say "Do you want free prescription drugs" you will get a huge response. If you attach reality to that statement, You get a very low response.
In any case, I will just get louder to counteract the stupidity of the people who want more spending. I'm not gonna let them just take it from me.