According to Gallo, this is not the case for Apple store workers, perhaps because engagement is a prerequisite of getting hired.

FORBES: How To Get Hired At An Apple Store

This is great for profit because the store does not need to entice every loyal shopper with the same discount.

FORBES: Individualized Coupons Aid Price Discrimination

This is evident at street level: in the brand of convenience store, in the merchandise for sale and whether or not the telephone lines are buried underground.

BBC: Seeing Tokyo along the Yamanote Line