> If you show that a drug works in a petri dish, that's completely irrelevant if it's so toxic that people don't take it. > If you show that full-face respirat

> If you show that a drug works in a petri dish, that's completely irrelevant if it's so toxic that people don't take it. > If you show that full-face respirators work on a mannequin in a box, that's completely irrelevant if real-world people don't wear full-face respirators because they suck. And these examples are straw men. That's completely irrelevant to the point.