It's regarded as something of a lack of faith, whether or not that is what it really is. It's on the same lines as the Pope installing himself behind two inches of bulletproof glass whenever he's wheeled out in public, or churches in general having lightning conductors running up the side. A bit "practise what you preach". Atheist humour - don't worry about 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.'