Well Minimus, me dear old mucker .....sadly you may be no longer with us, but you were right about this one. The research is in - and the bloody things are useless.
Well I was told that in nursing school 30 years ago🙄Even the paper surgical ones are only good for three minutes then the moisture from your breath makes them useful to stop the surgeons false teeth from falling into an open wound, and not much else.
My old obsession hand washing and social distancing were only ever the really effective actions we could take to avoid getting, or giving, viruses including COVID.