The point here is that they were specifically responding to government requests to censor information. That is truly government overreach, but in the opposite direction to what you claim.
Just wait until you realize that corporations at a certain scale become a form of government themselves!
That's not a good reason to suppress scientists tweets.
Also, many of the best journalists of the past decades have been loudly warning of being shadowbanned, supressed, deranked etc.
> I don't think anyone would administer web forums if the government started telling them how they could and could not moderate posting.
A large part of these Twitter reveals show just how much government connections pushed extreme "moderation" (read: censorship) of specific issues.
I would hope that journalists conduct their research through better means than solely reading Tweets. That would be an exceptionally lazy standard, one which would merit a failing grade for a high school paper.
That being said, "systematically blocked from ever reaching journalists eyes" seems basically false given that this person co-authored a story that was published in the Wall Street Journal! [1]
> Literally millions of posts were removed and shadowbanned to various degrees. No one at any of these companies has suffered any semblance of accountability in any form.
Being punished for exerting control over what is publish on your private web site seems to me like massive government overreach to me. I don't think anyone would administer web forums if the government started telling them how they could and could not moderate posting.
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[1] https://www.wsj.com/articles/is-the-coronavirus-as-deadly-as...