Do we have too much 'free speech'?

Although  ‘free speech’ is abridged de facto by 'civilit and de jure by legal sanctions on libel, false advertising, incitement to violence, and (in some countries and more controversially) blasphemy, ‘hate speech.
However free speech is not going to a fancy dress party blacked up or dressed as a Wehrmacht officer, don't do it, not even as a joke.