Businesses have the right to refuse service for any reason that is non-discriminatory. That's a good thing even if you don't agree with their reasons. I know

Businesses have the right to refuse service for any reason that is non-discriminatory. That's a good thing even if you don't agree with their reasons. I know some people do, but I don't count "you can't come in here if you can't prove you aren't going to kill me by negligently infecting me and my customers with covid" as discriminatory. Anyway covid is over so let's all move on.