That could be the problem. Having an established church might be acting as a straitjacket, keeping the more extreme nutters in check. That's not to say that we don't have our share of religious idiocy, just that we keep ours in a zoo.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'