Insults for the sake of humor are fine.
However, harrassing people for having unpopular opinions, is generally not considered humorous. Nor do the people being harassed, necessarily find it humorous.
i couldnt get the exact ones but if you read the arguments between me and apefan youll see them, and yes we both got a lil rude. i expect me to have atleast an 8 hour ban but idk