I am convinced that it is a product of the general trend of distrusting authority so completely that anything asserted by government entities must be false.... and since the physics of moon landings in hard to comprehend, the topography of the Earth easily follows.... especially when coupled with some evangelical religious fervor.

And, of course for a few, a healthy dollop of Andy Kaufman style game-playing to stir the pot.

There seems to be a moderate sized group in Colorado fueling this latest upsurge.