The problem here is that for some reason, famous people have this idea that America gives a damn what they think. No, we really don't.
His fans do.

Their opinions are no more important than anybody else's--
Agreed.

being stupid enough to believe this crap but talented enough to write songs about it doesn't mean they're not still stupid enough to believe this crap.
First of all, it doesn't take much talent to write a song like this. Second, this "crap" isn't crap at all, and it doesn't take a genius to see that it's the truth. This song points out the fact that Bush is an abomination to the Christian faith.