A certain neighbouring country of Finland is doing this already, but for other reasons.

Also immigrant vs expat.

Sowing wildflower seeds for a meadow. 🌸 The goal is for that to replace the old lousy dried up lawn.

But if you want to just use the self-service cashier automats, I think the loyalty card is optional. For scanners though it might be required, I’ve never used those. The self-service cashier points are easy enough for me. 😊