Could we even have meaningful political dialog if, for example, it was illegal to intentionally offend Donald Trump or Hillary Clinton?
The idea of a right to not be insulted has scary implications.
That's actually exactly what Citizens United was about … a group of people were trying to show a film critical of Mrs. Clinton, and the federal government attempted to punish them for it. That's why there was a big push in 2014 to repeal the First Amendment: politicians wanted to make it illegal to oppose politicians.
Luckily they're not doing that. They're waiting for the offence to cause harm, and then they step in.