Most will, particularly if it’s a large group. But if you’re eating in four, say, and it’s a busy night, you may not make the all-star team by handing a waiter two (or more) credit cards. It’s considered a time-waster, largely because plastic wasn’t systematically introduced into restaurants until the late 1980s. Lots of Italians still pay cash — in part because big bills are fun to show off.