On a recent episode of Futurama, they land on a planet with a startling resmblance to ancient Egypt. One of the aliens remarks that its no conincidence.
Fry responds, "Ha! I knew it! Crackpot theories one. Regular theories one billion!"
I think it says something about the lone scientist who claims his work is being supressed and ignored by the "establishment". Sure, occasionally one of their ideas turns out to be correct, but quite often, the crackpot theory is just a crackpot theory.