JFC we're well into April and the second full year of this Covid-19 thing. Can't we move on from the 'mask' debate?
At this point it's "best effort." Everyone should just accept that for some people that will be NO effort. Maybe they got their shots. Maybe they survived Covid and have good antibodies. Maybe they're making a statement. Maybe they feel we're over the hump. Maybe they're just idiots in denial of something. Or they just feel it's time to move on.
Maybe it's not your business, and you need to understand that your opinion is valuable only to you.
If you're pro-mask and are SO worried about non-mask wearers, then just wear two. Or two with a shield, and gloves, and hand sanitizer. Just shut up.
Some people are over the top in one direction or the other. I'm somewhere in the middle. I wear it as a courtesy mostly in the walmart and supermarket and such. I also wipe the handlebar on the shopping cart and wash my hands frequently. But if I forget it I'm done with going back to the car for it.
C'est la vie. Let's move on.
(His store, his rules)