https://www.theguardian.com/us-news/2021/jan/06/facebook-twitter-youtube-trump-video-supporters-capitol

Unprecedented actions by social media giants were aimed at addressing the president’s spread of misinformation and the incitement of violence

Twitter and Facebook took unprecedented actions to address the spread of misinformation and the incitement of violence by Donald Trump on their platforms on Wednesday, after supporters of the president stormed the US Capitol.