Well at least people got educated on left side extremism. I think it puts things in the broader perspective and maybe even someone decided to research these topics some more.
It makes you wonder about communism as a whole. Does it always lead to totalitarianism? Etc
It’s healthy to see all the nut jobs from time to time and reflect on your own steps.
If your views align with the nut jobs for example that makes you wonder hmm something is wrong.