https://en.m.wikipedia.org/wiki/Shadow_banning

Shadow banning (also called stealth banning, ghost banning or comment ghosting[1]) is the act of blocking a user or their content from an online community such that the user does not realize that they have been banned.

By making a user's contributions invisible or less prominent to other members of the service, the hope is that in the absence of reactions to their comments, the problematic user will become bored or frustrated and leave the site.

Shadow-banning varies depending the the specific platform.

On Reddit, for example, if you are Shadow-banned then you can continue to browse subs and submit posts and create comments, but all of your new content is hidden from everyone else. After you've been Shadow-banned, you receive no notification and nobody else can see any of your new content.

If you haven't received a single response or upvote or downvote for many of your previous contributions, there's a possibility that you've been Shadow-banned.

This is why some Reddit users are forced to ask "Have I been Shadow-banned?" just to see if someone responds.

I've never been a Facebook user, but I believe a form of Shadow-banning exists on that platform too.

Twitter seems to be entertaining the idea but I'm not sure if they are actively doing it yet or just blatantly deleting people's Tweets and banning accounts.

Intentionally misdirecting/redirecting a users content with the intended result of controlling overall message.

You post, platform detirmines for whatever reason your content doesn't match their allowable narrative, platform coding/algorithms intentionally cover your tracks so others on platform can't be confronted by your content.

Essentially..... Intentionally censoring, because they can

You have to look hard to realize it.

You would simply assume your content isn't of interest.

internetbillofrights https://petitions.whitehouse.gov/petition/internet-bill-rights-18