“It’s not to protect yourself. It’s to protect people against the droplets coming out of your respiratory tract… I don’t want to frighten you, but when people speak and breathe and sing —you don’t have to sneeze or cough — these droplets are coming out,” - Of course, but many people don’t understand - https://nypost.com/2020/03/28/experts-say-face-masks-can-help-slow-covid-19-despite-previous-claims/
Yet, we're told that take out food and packaging has a magical shield that blocks all those droplets. Mail has the same magical protection shield.