http://www.realclearpolitics.com/articles/2010/12/15/why_do_people_believe_in_fantasies_108246.html
Whether you believe in God -- or psychics, or global warming -- that's your business. I may think you're stupid, but if you waste your money on, say, a "strength" bracelet, you only harm yourself.
But being gullible about government hurts everyone. Government is force. When it sells us bunk, we have to pay even if we don't believe in or want it. If we don't pay up, men with guns will make sure we do.