that's not what they said. did you even read the article you just linked? they said they did not RECOMMEND wearing masks. why? for two reasons:
- there was NO EVIDENCE that they would help, and
- people were buying them like crazy, and that meant stocks were disappearing fast.
"there is no evidence" does NOT mean that masks won't protect people, it ONLY means that THERE IS NO EVIDENCE. no evidence means "we don't have information, we can't say anything with confidence, we need data.
of course some retarded journalist will translate that for retards for clickbait, and retards will spread fake news,just liek you are doing right now,>Also, I actually study mathematical biology and population dynamics as an applied mathematics grad student
that's funny, you work with logic but you are not able to distinguish between "no evidence" and proof that something does not work.