This article contends that social platforms have had negative effects on political discourse in the USA:
https://www.theatlantic.com/magazine/archive/2022/05/social-media-democracy-trust-babel/629369/
It confirms what McChesney found earlier:
http://boundary2.org/2015/04/08/the-internet-vs-democracy/
And is consistent with what Doctorow says:
Best,
Richard