All 'theories' need to be thought about an analysed in every possible minute detail. It should never be a crime to be engaged in such analysis, thought or discussion however looney it may appear to others. Ridiculing others for their thoughts also only serves to highlight the ignorance of those that ridicule.
Einstein's General Theory of Relativity comes to mind for which he was initially ridiculed for.
Here's 10 more 'crazy theories' about the universe that were proved true.
Round earth.
Perturbation theory and the existence of Neptune.
Comets being a celestial phenomenon.
The expanding universe.
Atoms.
Quarks.
Tycho Brahe and the "stella nova".
Black holes.
Heliocentric solar system.
The Big Bang.