This is not how the overwhelming majority of the world works though.
> if facial recognition becomes that common for wearers, most of the population is going to adorn something to prevent that
"Most of the population" is going to be "the wearers".
> Coworkers don’t and wouldn’t tolerate coworkers taking videos or pictures of them.
Here is a fun experience you can try: just hit "record" on every single Teams or Meet meeting you're ever on (or just set recording as the default setting in the app).
See how many coworkers comment on it, let alone protest.
I can tell you from experience (of having been in thousands of hours of recorded meetings in the last 3 years) that the answer is zero.