So U/D's sole support for the claim of the existence of A&E is that "it's not impossible"? Shifting of the burden of proof aside, that's a damn shaky piece of ground on which to base a worldview.
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.'