Whether it is clicking their fingers at the waiter, talking loudly on their phone or letting the kids go feral, there are few things as unappealing as a rude dining companion in a restaurant.
But mistreating the staff is perhaps the cardinal sin of eating out, and has long been seen as indicative of a poor character. And this week, the talkshow host James Corden has found himself in hot water after such an allegation.
