Kroger, at least, lets you use your Kroger number (some ID they generated when giving you a physical loyalty card), or your phone number
I have a now-disassociated phone number I enter when I go to Kroger so I don't have to carry the loyalty card
August 26, 2019 at 10:54AM
via reddit https://www.reddit.com/r/privacy/comments/cupqng/bought_two_bananas_in_a_supermarket_they_asked/ey5gsz1?utm_source=ifttt