Because they're not effective. It's safety theatre, just like the TSA is security theatre. "Everyone has to wear a face mask on a plane at all times to stop th

Because they're not effective. It's safety theatre, just like the TSA is security theatre. "Everyone has to wear a face mask on a plane at all times to stop the spread, except for an hour here and there where everyone removes their masks at the same time to eat." On international flights where everyone has to be tested beforehand, it's even more ridiculous and performative.