I think the argument here is more about what journalists know that they can cover, what goes onto the front page and in headings, rather than journalists themselves writing with a hidden agenda. Also who is promoted, Greenwald wrote about a particularly bad example: https://greenwald.substack.com/p/cnns-new-reporter-natasha-b...

In addition, no news outlet seemed to be in enough of a survival mode to report on the Hunter Biden story for example.