from the www.Idealist.org (thanks to Put B.)
Research on social media has found that, while only 3 % of active accounts are toxic, they produce 33 % of all content. Furthermore, 74 % of all online conflicts are started in just 1 % of communities. and 0.1 % of users shared 80 % of fake news.
Not only does this extreme minority stir discontent, spread misinformation, and spark outrage online, they also bias the meta-perceptions of most users who passively lurk online. This can lead to false polarization and pluralistic ignorance, which are linked to a number of problems including drug and alcohol use, intergroup hostility. and support for authoritarian regimes.” (From a scholarly paper by Claire E. Robertson, Kareena S. del Rosario, and Jay J. Van Bavel.)