Apparently, we're too pathetic for simple rules

https://townhall.com/columnists/gabriellahoffman/2020/05/29/northams-mask-edict-puts-suffering-businesses-in-a-nowin-situation-n2569634

It seems an argument against requiring masks is:
“It will be up to the businesses and their untrained employees to confront someone who isn't wearing a mask to either compel the violators to wear a mask or expel them from the premises. As we have seen in other states, this has led to confrontations between businesses and their customers, even in one case leading to a shooting death at a Dollar Store.” 

Seriously? Ever see the signs in stores, "No Shoes, No Shirt, No Service". It's a simple system: abide by the rules or we're simply not dealing with you. We don't even need to ask violators to leave, just don't serve them. That's all it takes. I can't imagine that not meeting the responsibility expected from businesses. "You're not wearing a mask, so I'm not serving you".  Most people will get tired of not being served, and comply. If people get angry over that and start shooting, chances are there's more to their instability than just the masks. Many in the anti-shutdown crowd are keen to say, "it's mostly old people who would have died soon anyway". Well, that shooting probably was going to happen anyway; scattered violence from random lunatics is not a good argument against any policy.
  And what's with this "untrained employees" part? Are we really so pathetic of a people that we can't understand and enforce a rule as simple as, "You must be wearing a mask to shop here"? Since when did basic communication require training? I'm sure someone will say, "But what if someone refuses, and gets angry...they clearly need training!" Most business already deal with unruly customers and have training in place for such issues. Just continue doing whatever you already do.