The occupational argument - "I make a damn good living out of selling this shit to the desperate, the desolate and the ignorant. I would be screwed if God doesn't exist, therefore I'm going to fight tooth and nail to make sure nobody can prove it."
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.'