Earlier quoted context omitted.
Then they aren't accepting euros as currency. At the end of the day they will immediately convert the euros to GBP. They are willing to use euros as a medium of exchange, but only because they know they can exchange them for (to them) real currency. (Currency is relative, obviously. And just as obviously it helps that somewhere in the world there are people who use that type of money, which gives you comfort that eve…
Plenty of people save in BitCoin, some would even argue that's where much of it's value comes today. Look at the article from Richard Falkvinge that he linked to for an extreme example. Nowhere did he suggest that the restaurant owner exchanged his BitCoins for USD. Maybe he saves them and uses them to buy something else. Who knows, maybe he buys the ingredients for his Meze using Bitcoins?
If he does that, then why does he look up the exchange rate first?