They are very much flying off the shelves where they shouldn't be. The good news is, not hearing too many positive test results. I say, let people buy every single one of them, and dig the back of their skulls to their heart's content. When every fucking test comes back negative, people will start becoming disillusioned with COVID in its entirety.
The persistent search for Truth has that effect on the public conscious. Free Press. Free Speech. It's the only way to keep the Truth alive.