Surely the intersection between "person who shops for groceries without any mobile device or even wallet" and "person willing to send their palmprint to Amazon"

Surely the intersection between "person who shops for groceries without any mobile device or even wallet" and "person willing to send their palmprint to Amazon" is nonexistent. I wonder how much they'll need to discount in order to capture this data over time, or if this just withers up and disappears.