As a former soldier, Prince Harry still has plenty of fight left in him but his choice of targets is belittling and increasingly bizarre. His family has, of course, been in the firing line since he and his wife Meghan opted out of royal duties for a new life in California.

Ostensibly to make ends meet, the pair have savagely traduced the relatives back home in prime-time television interviews, through a Netflix series and in Harry’s memoir Spare, published earlier this year. Barred by protocol from retaliating, the late Queen came up with the brilliant “recollections may vary” in response to the Sussexes’ sometimes outrageous slurs.