Do you have any sources supporting your statements here? This feels like fake news to me.
A large portion of these protests were planned on Facebook, Instagram, and YouTube:
https://www.washingtonpost.com/technology/2021/01/13/faceboo...
...should they be removed and silenced because of it? Or should all of these gigantic tech companies with the checkbooks to provide exhaustive moderation enjoy their 230 powers while denying the right to all of the little guys?
Parlor and Gab are fairly harrowing examples of what happens when censorship occurs. People leave platforms with diverse views and head to echo chambers. Those folks end up having stronger, more radical opinions because they were forced into a corner.
No one has ever given me any compelling reason for censorship. Hate is defeated in the open, it is fairly impossible to deal with in private channels. Censors also cannot censor everything, so content always slips through the cracks.