Pure common sense says that in addition to handwashing with soap and physical distancing, wearing a face mask will help reduce chances of covid19 infection, IF properly used.
Thats enough for me, and most others who spend time thinking about it. However, you're welcome to continue your copy/paste 'peer review' war with
@Suedesi, I just think it's a waste of your time.
If you don't want to wear one, don't. Nobody will force you: It's not even mandatory law, even in mask wearing cultures like Japan or S.Korea. Good luck!