Earlier quoted context omitted.
> everyone gets pennies as change but few carry them around let alone spend them It's not just pennies, it's all coins. In a former life I worked in retail and almost nobody would fish around in their pockets for exact (or even near) change. They'd always hand me bills for their purchase even if they had just completed a transaction and had the coins in their pocket . That was in the 90's, and I still see it happenin…
I’d regularly use quarters in vending machines, but not waste time during a retail transaction.
I will never "tap" my debit card as long as I have any legal option. Everyone else can wait for me to exercise my consumer rights, by inputting my PIN, verifying the amount displayed on screen etc.