Right, that's my main point. I don't let my students bully or attack each other in class, but, in the real world, we have to allow people to have their voice no matter how evil or ugly we think their words and beliefs are. Only speech we don't like needs to be protected. 'Ice cream is delicious' is not controversial. If we start banning 'hate speech' those same laws could be used against us one day too if what we say offends someone, even unintentionally.