I think those in power have proof that the aliens exist, they're just not telling people, because people are easier to control this way.
Corrected
So: that is what this is about MakingMoneyHoney and maybe all the atheists in the world... they think G-d is an alien?
No, this is about conspiracy theories people have the fancy for. This doesn't in the least mean that they don't exist, though (both conspiracies and aliens)