No. I am not thinking in terms of groups, but individuals.
So, think of it this way: incendiary rhetoric (a classification which hate speech is a subset) is most often used by individuals in an position of weakness to make themselves heard and elevate their position to be the equals of those in a position of power.
You can apply this to all sorts of people all over the political spectrum, but you may as well start with the current President. He had no business (politically speaking) even being in the same room with somebody like Jeb Bush. How did he level him, and all the rest of his competitors? Incendiary speech.
Bomb throwing gets you noticed. And all of a sudden, you’re more important than you deserve to be.