They’re totalitarians. It’s their nature. They’ll only stop when they are stopped.
They'll only stop when they are put down/Killed/Slaughtered/Eradicated/Ceausescu’d.
It's not just that they are totalitarians, it's that their belief that they are intellectually and culturally superior makes them feel justified in their totalitarianism. They need to be humiliated into the realization that they are actually the uninformed ones.