This is more about power and reach. I'm going to pick on Facebook since they are easy to dislike. They are the medium of disinformation that is hurting the US and the world. First, people are joining extremist groups due to FB recommendations [0]. Second, vaccine misinformation has been spreading on FB. [1] Those are two horrific examples, but there's more.

0. https://foundation.mozilla.org/en/campaigns/facebook-stop-gr... 1. https://www.vox.com/recode/22319681/vaccine-misinformation-f...