We have free speech too, it's simply part of our human rights. But we also have another very important rule: Your human rights end there, where you intersect the human rights of somebody else. Which to me is a really reasonable limitation.
Try giving the nazi salute or giving someone the middle finger in Germany and see how far that gets you.
The restriction on 'hate speech' is a disgusting infringement upon free speech, it brings a subjective definition to 'free' and allows governments to selectively stop free speech.
I don't see 1960's war movies which display hatred towards Hilter being tagged as hate movies, it's just a mechanism to justify a curtailment.
Much of what Roach says I disagree with, but I am happy that he can say what he thinks, for me, endless repetition may be a reason to put him on ignore, not his views.