Like I said earlier, the question of proof and evidence only becomes a problem for someone who doesn't have any; a problem not at all resolved, merely grossly compounded, for someone who further acknowledges that there can never be any yet persists in insisting in the existence of whatever phenomenon is under discussion anyway. If that's not part of the definitions of 'irrational' and 'closed-minded', it bloody well ought to be.
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.'