In the US debit networks have cheap fees but merchants don’t want to buy more PIN pads. There’s a lot of inertia behind the waiter/employee physically running t

In the US debit networks have cheap fees but merchants don’t want to buy more PIN pads. There’s a lot of inertia behind the waiter/employee physically running the payment - often through highly integrated POS systems that would have to be entirely replaced to upgrade the card reader.