I understand the allure of smartphones, if you’re the parent of an adolescent (or younger) moron – which I believe many of you are.

You have booked a nice table for Sunday lunch and would appreciate not having to engage your offspring in a dialogue of inanities regarding the things which most concern them at the present time: the wickedness of Great Britain, historically and indeed today; the wickedness of the generation which brought them into the world; their debilitating and unsightly skin issues; their plans for transitioning; their fear that by the time they are 20 they will not be...