What was once up can return, and I don't think a blackout of information over 4 years will matter that much long term (people have other sources for correct HIV prevention information, for instance).
It is more concerning how unequipped we'll be during the next pandemic since our agencies are cutting ties to international allies to help track illnesses. If it's like the first time, it'll suck although at least it'll kill off his followers in higher numbers than innocent people.
I'm not sure if the NPR article is suggesting that he's working for the working class so much as he owes his success to them and many of his publicity stunts are working class, and that conflicts with how much he owes rich folk. That said, it's kind of a bad article to even compare him to FDR and co. given how idiologically different they are.
Plus, what the article clearly doesn't get is Trump's version of working class is white, Christian male (bigot) working class. Towards that end, sure, he's all for working class.