The issue is that those rules are enforced energetically and stringently against dissidents, but are often not enforced or enforced in a lax way for orthodox activists.

E.g. Anita Sarkeesian publicly calling one of her online political opponents a shithead and garbage human from the stage at a conference. He was sitting in the audience quietly. Result: he (not she) gets barred from returning on the grounds that his presence was somehow threatening, while her open vicious insults are passed over.

E.g. Zoe Quinn's crash override network had a chat log leaked where they were organizing harassment and doxing. No consequence.

Double standards everywhere.

This is why they like super vague terms like harassment and hate speech. If the term has huge flexibility, the people with power have huge arbitrary power to apply it.