Think about this. Cloth masks are probably rarely cleaned, collect damp air, touched often, and likely not washed daily. Then, we put them on and rebreathe that filth. How is this not like putting your hand in your mouth?
You can refuse mask-wearing for medical reasons right? How about, "it's unsanitary".
Ya, that girl said she was allergic to latex. I said, "That's ok, mine are made of leather."