There's a lot more in the full paper (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3703701), but the underlying message is that perhaps we should stop blaming social media for disinformation. That does not appear to be the root of the problem at all. https://www.techdirt.com/articles/20201004/22264445441/new-study-once-again-mainstream-media-is-bigger-problem-spreading-disinformation-than-social-media.shtml