The film critic Anne Billson wrote a typically pugnacious piece recently about the phrase ‘guilty pleasures’, which has spread like Japanese knotweed beyond its origins in pop music and taken root throughout popular culture. In film a guilty pleasure would be something like Four Weddings and a Funeral, which we’re not ‘supposed’ to like because it’s not La Règle du Jeu, but which we do like very much because it’s fab.