I implore everyone to go re-read all the HN articles about Trump and far-right deplatforming where numerous --highly downvoted-- comments quite correctly predicted what was coming.
Trump was "only a test."
Trump was "only a test."
On the other hand, these WSB bans seem to be related to external pressure from some very wealthy people. Not really the same situation. And not something that's new to the Internet. Digg's blocking of the HD-DVD key comes to mind. Or sites that removed content under threat of a lawsuit.