Earlier quoted context omitted.
As someone who grew up in a right wing province of southern Austria with neo nazis (and old original nazis) nextdoors I can tell you precisely what changed. Fighting for the other persons right to speak their thought is a good and noble thing as long as the other person doesn't fight against your right to say what you like and as long as their words don't turn into actions. The more of this happens the more tolerance…
We already know how to solve that problem. Freedom of speech doesn't cover violent threats. There is no need for hate speech regulations. Jihadism is not covered by free speech, nazism is not covered by free speech but racism is covered by free speech. You also seem to conflate jihadists with muslims - that's not the case. Jihadists are terrorists and they want war, other muslims integrate with other societies. There…
This is a very childish way to look at the world. Unfortunately there's more "violence" than physically bonking people over the head. State oppression is violence, societal oppression is violence, widespread racism is violence; Hitler didn't have to openly call for violence against the Jews for quite some time. All he had to do was say that they're rats, traitors, subhuman, they're why Germany lost the war, etc. Every day the state and capitalism wield their violence on the people: if you don't comply they will kick you off your home. Point being there is more violence than simply saying "I will now proceed to punch this person".