Out of the fog of rumour and accusation surrounding the melancholy break-up of Brad Pitt and Angelina Jolie, one source of contention seems distinctly modern: the couple rowed most fiercely, apparently, over ‘parenting styles’.

Where once the public divided into ‘Team Aniston’ and ‘Team Jolie’ on loyalties in love, it’s now ‘Team Jolie’ and ‘Team Pitt’ on parenting.