Being retired, I can't speak for work environments, nor indoor social group activities, since I live in the boondocks.
Some people would tell you that is was for us to "feel safe"
No, search for : Tangible Terror, Fear Object, Materialized Fear
Telling people to keep an extra bit of space around them, cover their face holes with a mask, and wash their hands was hardly the authoritarian nightmare some people made it out to be.
Prior to covid, in various Asian countries it was perfectly normal for someone to wear a mask when they had a cold.
Just seems like there's more pressing things to direct science and ire at.