Put that way it's ridiculous enough if you are not refunding. Someone should do a points-free card with decent security (2fa on each purchase?) to minimise frau

Put that way it's ridiculous enough if you are not refunding. Someone should do a points-free card with decent security (2fa on each purchase?) to minimise fraud that just gives say $50 cash of that to the consumer. They can then knock off 2.5% of whatever price they see in the store when thinking about what to buy. Such a card would be popular for expense accounts!