We ban accounts for religious flamewar, regardless of which religion they have a problem with. Here is an example from yesterday: https://news.ycombinator.com/item?id=45377645.

I'm not going to ban you right now because you have a long history here, most of which hasn't been like this. But please don't post like this in the future.

https://news.ycombinator.com/newsguidelines.html