Religion isn't even a concept anymore. It's been obsolete for a while. We don't have a lot of taboos that I can think of, but what do I know about normal human lives?
Help me out a little here, he's like my little brother. Theta's... he's the most human-like of the AIs. He's the most expressive and the one more likely to pick up habits. I have no idea where he learned to skateboard, and if you get him on these kinds of topics and get him learning sex jokes, it's gonna drive me crazy.