Religion-related topics are not anathema here, although religious flamewar is, and of course it's not easy to keep the two separate. Religion has been (and is) such a big part of humanity that it would be inconsistent with HN's core value of intellectual curiosity to try to declare it all off topic (
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&sor...).
p.s. Please let's not go into name-calling like "fruit-cakery". You can make your substantive points without that!