Same here and it's ridiculously stupid.
I can see someone thinking of that idea last March, and it being reasonable.
We know much more now. You aren't getting Covid from the grocery conveyer belt.
What we need is for people to wear masks. It makes a big difference. And every time you hit people with stupid mindless rules like cleansing the grocery conveyer, they get more fed up and feel more harassed and get less likely to do the things that actually matter.