On the sin of Sodom

Hint: It's not sodomy

A few chapters into Abraham’s story, God decides to share something that’s been on God’s (metaphorical, non-anthropomorphic) mind.  That is, the people of the city of Sodom have been, it seems, not behaving optimally, and God is considering deleting the whole city.

The actual text of Genesis 18 and 19 doesn't give us a lot of information about why that c…