Personal "doxxing" and direct personal slander is a completely different thing. We're talking about general types of speech that some find offensive, like mocki

Personal "doxxing" and direct personal slander is a completely different thing. We're talking about general types of speech that some find offensive, like mocking religion, profanity, racism, etc. Trying to censor offensive speech simply brings attention to it and drives popularity. Before these attacks, nobody had heard of Charlie Hebdo.