Certainly, each blog is independent and each user can write in their own blog what they want, but when it is published in a community, it is accepted to share the set of minimum rules of coexistence, in case you are not willing to accept those rules, because There is no point staying in such a community, doing so would be a way of aggression against the other participants.
I think that one of the conventions around here was not to use foul language, explicitly offensive or directly swearing; that kind of words and language would attract unnecessary negative publicity and contradict what you want to achieve in living together.
Consider censorship such rules ... It is something that already falls in the field of opinions, after all, it may happen that any limitation is considered unpleasant (even those that are to maintain the coexistence and peace of the group to which belongs) and that everyone should do or say what they want regardless of the impact or damage that can occur to others, although in a way, I think that such behavior would be too selfish, harmful and antisocial.