I think that simply saying “wrong” was rude as well; responses like that can alienate people.

Your top-level comment is a great example of how it should be done 🙂

From what I understand, people who were sent to Gulag mostly were Nazis, bourgeoisie (basically people like the UnitedHealthcare CEO) and counter-revolutionaries.

I’m not saying it was the best way to seize resources from the rich and prevent counter-revolution. Some of the things he did were good, and some were bad.