I was a frequenter of rpg.net (embarrassing now) for some 15+ years, thousands of posts, mainly as I enjoyed discussions of rpg stuff. Then I once spoke about how "murder capitalism" seemed a stretch, and a commie harassed me for such talk. Then I pointed out the fact that some 150 million (conservative estimate) persons have died under communist regimes in the 20th C. I was permabanned. I am proud of it now. I tended to never go into those open forums, but my one word-sin was sufficient to be "cancelled." I sent along a note to admins. It did start, "Dear Komrade..."