I’m going to assume you are intentionally supporting my point, as opposed to unintentionally.

Lots and lots of people will “find out” if there is open season on certain words defined by whoever. That’s why we agree not to.

What about the people without a brain who think they have a brain? Should they get to decide?

The problem is that lots of adults have confidence in their own morality, but they don’t agree. So if you allow violence to enforce your own moral code, then you have to recognize that they will do it too.

Who decides what a slur is?