Earlier quoted context omitted.
No it's not really fair. Until I start seeing Kroger going out of their way to support data provacy initiatives and consumer protections, correctly assume they have ill intent with your data.
What is the worst that could happen if Kroger learns that I use my rewards card to purchase a loaf of wonderbread and other assorted groceries every week?
You're not wrong though; arguments against loyalty cards are seemingly random chains of chance, and the information is being sold by Visa as well anyways. So I'm not surprised by the free market, laissez-faire ideals on display. I don't have my eyes on perfection, just on minimizing how many times I give out potentially damaging information. And if some other people start to push back as well? Well, the more the merrier.