On the Disc, the Gods aren't so much worshipped, as they are blamed.

It was all very well going on about pure logic and how the universe was ruled by logic and the harmony of numbers, but the plain fact of the matter was that the Disc was manifestly traversing space on the back of a giant turtle and the gods had a habit of going round to atheists' houses and smashing their windows.

If complete and utter chaos was lightning, then he'd be the sort to stand on a hilltop in a thunderstorm wearing wet copper armour and shouting 'All gods are bastards!

No it's not!" said Constable Visit. "Atheism is a denial of a god."

"Therefore It Is A Religious Position," said Dorfl. "Indeed, A True Atheist Thinks Of The Gods Constantly, Albeit In Terms of Denial. Therefore, Atheism Is A Form Of Belief. If The Atheist Truly Did Not Believe, He Or She Would Not Bother To Deny.

Thou shalt not submit thy god to market forces.

The Gods Of The Disc have never bothered much about judging the souls of the dead, and so people only go to hell if thats where they believe, in their deepest hearts, that they deserve to go. Which they can't do if they don't know about it. This explains why it is important to shoot missionaries on sight