Change the word "retweet" to "publish/broadcast", and that describes most "mainstream" journalism.
I stopped when they referenced Snopes as a "fact checker"....the same Snopes that "fact-checked" a satirical article in the Babylon Bee about whether Brett Kavanaugh should prove via DNA that he's not the son of Hitler. [1]
The authors should write an article on the more fundamental issue of 'truthiness' -- it was once a joke by Stephen Colbert, but now people actually talk in terms of "my truth" and "her truth" -- not _the_ truth.
If gender is a state of mind, then why not race, or even species? With objectivity lost, then they're surely unlikely to find its vestiges on Twitter.
[1] https://www.snopes.com/fact-check/democrats-demand-kavanaugh...