It's called moderation and it existed since the dawn of public internet. The fact that we have such a nice place talk at HN here, is because the platform has a

It's called moderation and it existed since the dawn of public internet. The fact that we have such a nice place talk at HN here, is because the platform has a say in it. Notably, no sane person wants to even visit platforms who have no say about the published content, like 8kun and other cesspools.