And so the debate goes on and on and on .................... boring!
Personally, I do carry a mask in my trouser pocket, not for Covid-19, but for this - dirt/dust pollution in the air when out in a tuk-tuk. With the dry season now upon us, this was a common sight in rural Thailand where I used to live, and still is today here in Cambodia with many dirt roads.
Stock photo taken in Thailand.
Moderators please delete if considered irrelevant.