imo server staff can deem offensive / spammy whatever they want. If they don't want you spamming topics with short replies, they have the right to remove those, even if it's seen as useless or abnormal nowadays (what, with all the spammers/trolls around.)
Tossing around the term nazi would probably be best avoided, as it is a strong reference to something that occurred in recent history. It relates back to the people who slaughtered innocent individuals, were supremist for blue-eyed&blonde-haired individuals, and tied pregnant women's legs together when giving birth to kill both the baby and the woman. Regardless it's modern use meaning a grammar extremist, it isn't something you should be calling people you don't actually know personally.
Best to avoid problems. S'where common respect and decency comes in, regardless how foreign those things are on the Internet. If someone "higher" than you holds both those things in high esteem, then don't qq when they ban you for it. Not sure why people pull crap like this on the Internet but don't have the balls to do it in real life. har