I KNOW that you don't think so, but both the article and the empirical evidence of what is happening in the U.S. and around the world, where masks are mandatory, argue that masks are efficacious in reducing risks for both infection and transmission.
Reduced risks, the same reason that most of us do the things we do and take the medicines and supplements for which there is evidence to support their use.
Seat belts and air bags guarantee nothing; want to do without both?
If your molecular theory is correct, provide a link.
And spare me the cheap shots about authorship. I'm sure that you got a lot of laughs out of the moron in chief's use of Kung Flu.