He is an admitted jealous god, but then again, why would you be jealous if you knew you were the only god, and they were wasting their time worshipping others?
Honey, if I would be in charge of the whole enterprise called Life, The Universe, and Everything, they would all be subject to me anyway. No reason to be upset.
Does that mean that a god that gets pissed is somehow superior to a god that doesn't? Not really. Why would it piss you off?