It is an answer. Not a very good one, IMO, but an answer. The desk I hid under as a kid was silly. I think I knew that as a child.
I have noticed more than ever the last year what comes out of peoples mouths when they speak and laugh. Masks reduce that. No doubt about it. HOW effective are masks? I can’t say, but it’s more than zero. I was willing to play along, and I still do at the grocery store.