Why? Seems to me more likely a sincere attempt to communicate the author's own code of conduct, and the spirit in which he has offered sqlite to his neighbors.

What makes you think people being respectful to each other would be amusing?

The religious ones, in special, are hard to follow for an Atheist like me. I suppose members of non-Christian religions will find it difficult too. This shortcoming is so salient it's hard to imagine it never came up in discussions.

This reminds me of that joke about which life choice a vegan Crossfitter will bring up first :D