https://www.vox.com/2021/1/16/22234971/trump-twitter-facebook-ban-election-misinformation-zignal

Trump’s deplatforming has already slowed the spread of election misinformation.

In the wake of the deadly January 6 riot at the US Capitol that President Donald Trump heavily promoted on social media, platforms including Twitter, Facebook, Snapchat, and others finally moved to ban the president.