I think people believe in this stuff because they read too many comic books and thus find the idea of our government being run by some all knowing, all powerful force of evil to be way more interesting than the truth. Which is that our government is far too inept to even pull off such an elaborate conspiracy, let alone new world order.
"Yeah boobs but that's just what they WANT you to think."
Oh shut up.
And I wish that moon landing thread was still open. I loved how the number one piece of evidence people gave was that there were no stars in the sky, especially when anyone worth their salt in astronomy will tell you that's because the brightness of earth cancels out all the starlight around it.