"God" as depicted doesn't give two shits about your "sins" - all the character cares about is whether or not you believe in it. Rather like a more sadistic Santa, only with a far less credible backstory.
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.'