I'm confused. Let's assume that Ivermectin is completely useless, not only against Covid-19 but other things that make Covid-19 more dangerous. How do you get

I'm confused. Let's assume that Ivermectin is completely useless, not only against Covid-19 but other things that make Covid-19 more dangerous. How do you get from there to an official campaign against it? Someone who takes Ivermectin on their nickel doesn't stop anyone from producing or distributing something that does work.