Just use litecoin for your coffee.
Capacity isn't a problem when there are hundreds of competing networks happy to soak up the investment and use that BTC doesn't want...
Cool, 2 da moon!

(btw, nioc wasn't using it for commerce, he ain't no idiot, he was doing exactly what you're supposed to do with BTC, 1. buying it, then 2. HODLing it. He got held up between 1 and 2.)