The reason I don't post who I am is two fold. (1) I appreciate anonymity. (2) I don't believe that doing so is going to change anyone's mind, so it's a futile exercise with no benefit.
Ask yourself honestly, if I provided proof of my background, would it change your viewpoint on wearing face masks? I think the answer is pretty clear, so I don't bother.
The irony of it all is there is nothing I have said on here that is "proprietary" to me. I am simply repeating, and pointing to, a large wealth of well established research by other scientists in the field, for whom, their credentials are easily vetted. Yet, that hasn't convinced you of anything, so how would me posting my credentials change anything?
I think you are more likely to continue performing mental gymnastics to try to justify your Ill-informed stance on face coverings than admit you are wrong. So, no, I won't play along.