I agree it's orthogonal to the original discussion, but I am interested in the hyptothesis that we'd be all better off if e.g. we could see the cost prices at s

I agree it's orthogonal to the original discussion, but I am interested in the hyptothesis that we'd be all better off if e.g. we could see the cost prices at supermarkets (and perhaps all their other relevant costs). E.g. is society better or worse off with less secrecy?