What if the FBI, CIA, or Department of Defence was talking to the postie, and the postie read your letters and threw some out, but not others, and none of the institutions told you they were doing this? Or perhaps the post-office told you point-blank you were banned from sending mail now "because your letters were wrong".
In this case the "posties" are private organizations, but to all intents and purposes, their network connection and obedience to Big-Government made them, in effect, another branch of the government. The government wasn't paying the postie direct, but it protected the monopoly of the corporate postie team and gave them a legal loophole to hide in, and the media outlets stopped anyone criticizing the government. It was a Pravda-KGB consortium with filters that worked at light speed, but hidden.
"Undeniably, the making of such lists is a form of digital McCarthyism."
Where would we be if Elon Musk hadn't bought Twitter?
In the latest round of Twitter Files, Matt Taibbi shows how Twitter was not just censoring things that would later turn out to be true, but things it already knew to be true.
The truth can be malinformation you see — it might influence people not to take a medicine that Twitter has decided they should take.