I guess I simply can't be bothered messing around hoping it will work.
It takes literally 2 to 3 seconds to pull out my wallet I always carry, and have my credit card in my hand ready to use.
And I know it will always work for any amount, in any store.
It#s simply just not a problem.
I've never taken the 3 seconds to get my card out and slip into the card reader thinking to myself, god if only there was an easier way.
I love solutions to problems. I just have no problem

After waiting 2 to 3 mins in a queue till I get to the checkout, 3 seconds does not matter and in actual fact it;s less than that, as if I'm in a queue I will have my card ready anyway.
I can appreciate the USA probably need brining up to date a lot more though