Surprisingly, I just got an email notice from my primary care office announcing their re-opening for "other than telemedicine) on 2 June, and the first line was "No one will be seen who is not wearing a mask". So the medical professionals think they work. I'll take their opinion over yours.
Most of the rest of your "points" are simply wrong, and you've bought the propaganda without checking the hard facts. I've checked those facts.
Actually:
Healthy people should wear masks only if caring for coronavirus patients, WHO says
https://nypost.com/2020/05/28/healthy-people-should-wear-masks-only-if-caring-for-coronavirus-patients-who-says/
You are wrong.