Plenty of written material on why surgeons and nurses wear masks and shields in surgery, having nothing to do with silly facediapers while driving or walking outside.
No, it's for exactly the same reasons. Who told you otherwise, and why did you fall for such stupidity?
So why is being a grownup so hard for most conservatives? Understanding that you don't always get your way is something that most people grasp before adulthood, but conservatives ... don't. If they can't do what they want, instant tantrum. So why are you conservatives all like that? Growing up, did you parents keep telling you all that you were all the most very special snowflakes who didn't have to act like decent people?