I shouldn't enter a store because they're being irresponsible? That seems like putting the burden where it does not belong.
Larger scale: Nobody else should enter a store, because these people should be able to do their thing without "putting anyone else at risk"? That's absurd. They are putting other people at risk, and everyone else shouldn't have to go ridiculously far out of their way to avoid the risk.
[Edit: Oh, yeah. What if I work at the store? At that point, "don't enter the store" is... somewhat lacking as usable advice.]
So we've established nobody is entering your home, and nobody is making you enter a store. So there's zero risk for transmission. Now you say what about the workers? Great! What percentage of stores aren't doing curbside delivery right now?
Analogy: If you play with fire and get burned, that is up to you. If you play with fire and burn your neighbor's house down...