[stephenr]

> The problem with having an amazing coffee culture is that you end up with a bunch of coffee shops that think they know better than the customer.

Is this really "knowing better"? I mean, if you want a bigger coffee, and are taking your own cup: just ask them for two, and put it in the same cup.

The card issue has another aspect you're not considering: credit card networks charge fees. There is no inherent fee to accept cash.