What's practical about wasting your life kissing up to a model of a god that someone told you is real, just to stock up brownie points for a cushier afterlife that you cannot possibly know is even going to be a thing? That way madness lies.
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.'