That is what I was thinking.
Paul is writing as if credibility stems from reality. When in reality, the reverse its true. Fox news is credible, its viewers believe that, and whatever those credible people say, is reality. As long as people keep tuned in only to Fox News, that reality wont shatter. Their credibility exists because of their reach, its strength in numbers, its entertainment factor. Calling Fox News news and not entertainment is quite a leap. Most of what they have to say exists to keep people hooked, not to educate them into being more capable of performing civic duties. Fox News wants people to vote in a way that benefits Fox News, not the voter, and the same principal applies to all their coverage of everything. Coronavirus skeptic was a contrarian position to take, it divided their people from other people. Now that they are divided, they can switch sides and still maintain the artificial divide, and keep their viewers isolated from "alternate" realities.
This was a really good article by Kara Swisher of ReCode, who at the end finally convinces her mom to heed medical warnings about being out and about, cant convince her to turn off Fox.
https://www.nytimes.com/2020/03/31/opinion/coronavirus-fox-n...
They can flip a 180 overnight, and the viewers will see it as people with "updated information" and continue to cheer them on.
https://www.thedailybeast.com/fox-news-stars-sean-hannity-an...
There is the sad irony too, that the demographic who watches Fox news is already the most likely to be at risk (age, faith over evidence, distrusting of established medicine and government) denial not withstanding. Add denial to the mix, and youve got a real bad stew.