You know about the fraudsters publishing about ivermectin?
(To be fair, these same regions where the legit studies are from also have a high prevalence of parasitic worm infections, but it's still a poignant reminder that removing complicating factors can help heal the primary disease.)
The anglosphere yelling at itself in counterproductive ways would, I presume, have happened anyway albeit over a different treatment, so this seems to me like it was at least close to a pure win and "fewer dead people" is a pretty solid win, all things considered.