When shopping "normally" in a grocery store, or retail store such as Target, I've never been up close and breathing on strangers. It's been pretty well proven that covid doesn't transfer from casual contact with touch, on shopping carts etc.
If a person has a compromised immune system, or is going through chemo or treatment that lowers their immunity, their "care" onus is on them or their caregiver. My BIL is currently going through chemo/immunotherapy. He's not going out in public places. When my sister went through chemo before covid, she stayed out of crowded public places, like grocery stores. That's the way it's always been.
It's not right to expect the entire population to continue to wear masks, because there are folks around who can't have the vaccine. Those folks were more susceptible to some illnesses before covid.
Covid doesn't change that. It adds another layer of challenge for those people, but expecting continued masking, in states/countries that have done a good job of vaccinating those who wish to be vaccinated, is not a decent expectation. Especially when it's proven that it isn't medically necessary.
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