Well I'm not wikipedia here, just going on things I've read in past. You can either believe it or not believe it, suit yourself.

In the pre-internet days it was a well known fact that major media outlets in the USA had federal officials on staff to put the kibosh on issues of national security. That criteria has since broadened. For anyone that still watches news media on TV they can see for themselves the stories that never get past the editorial desk.

I've read claims of the same federal scrutiny happening for large social media outlets. These are USA companies operating in the USA so they fall under jurisdiction. They're certainly not going to advertise that's the case. I don't doubt this is happening for a second and in their own best interest they keep it on the downlow.

I'm not sure I understand the comment. You meant 99% of those complaining are posting hostile shit? If so, it's the 1% that post intelligent and legitimate counter arguments we need to allow a voice. It's not uncommon for legislation to push through under the guise of some public benefit that further erodes our civil liberty. As US citizens we need to be vigilant about that kind of thing or we're just throwing our freedom away.