And let's be clear about this point. Not only are these platform promoting content to inflame white hate and bigotry, but they are also protecting people who espouse this ideology while punishing those who stand up against hate.
https://www.propublica.org/article/facebook-hate-speech-censorship-internal-documents-algorithms
Given the context of how social media platforms will straight up lie ( https://money.cnn.com/2018/08/09/media/twitter-infowars-alex-jones/index.html ) about the efforts to make safe platforms, it is... let's be nice and call it naive to say they aren't complicit.