For instance, Dr. Martin Luther King was blocked from giving speeches by the government many times. The government was also linked to the killing of Dr. King. Nevertheless, Dr. King speech was not hateful speech, but it was perceived as damaging to the government and the white supremacist.
Sexual Harassment is a type freedom of expression that is not protected by the First Amendment. Sexual harassment is all about perspective, if is view as damaging it to the person receiving the “complement,” it could bring many problems to the person saying it. Sexual harassment sued does not consider the intentions or rationale if the individual receiving the speech thing is damaging the person saying it would have problems.
Moreover, another form of restriction is speech code. For instance, Berkeley University was in the news recently because student stops a speaker for giving a speech that they didn't like what his ideology. As well as the professor fire for not having censorship in their classrooms. Another thing that is restricted is book and publication like the Vietnam paper that were the Pentagon fought to stop the