Exactly this. The current CC situation isn't good either but at least they have an excuse because they are old as dinosaurs physical cards and there are workar

Exactly this. The current CC situation isn't good either but at least they have an excuse because they are old as dinosaurs physical cards and there are workarounds like you mentioned (I do the exact same thing with the sharpie). Reusing them as the only way we identify payment options in the app is completely nuts.