James - I totally hear ya. And to a degree, I'd much rather companies be allowed to set rules themselves. Of course, then we'd get stuck dealing with all of the competing standards and policies, and what a nightmare those could be to navigate. There's something kind of appealing about an edict from on high dictating a single uniform standard so we all know what we're dealing with and can move ahead from there, when the alternative is a hodge podge of different systems and standards from one place to the next. And only the federal government could provide that (or states, within their own states).
I suppose the businesses themselves have a say, also. We might think of requiring a "vaccine passport" as a means to limit access and prohibit undesirables. Perhaps it's worth thinking about it from a different perspective - promoting access, and encouraging people to go places. The certainty and peace of mind a business could offer by letting it be known everyone who enters their establishment has been vaccinated could encourage more people to visit, make the businesses more money, get our economies up and running sooner. Rather than looking to deny anything to vaccinated people, one could look at it as a way to get vaccinated people out of the house and spending money. I know it's always worth keeping the slippery slopes in mind when thinking about stuff like this, but I don' think anyone has an interest in forever requiring proof of vaccination from this point forward. Rather, folks are wanting to hasten economic recovery, get businesses open and earning money, all while doing so as safely as possible. A little something to help us get from here to there.
Otherwise we're all like those fish that escape from the aquarium at the end of Finding Nemo (I saw this picture online, and it was very fitting. I didn't come up with it myself).
https://imgur.com/a/klM1znD
If ya haven't seen the movie, another idiom we all likely understand is we're the dog that caught the car. We wanted to get vaccinated for so long, finally have... but now what? Perhaps that now what is gradually starting to let some of these vaccinated people spend their money and redistribute their wealth through communities and businesses, thereby helping to subsidize the economic recovery, until everyone can join in!