You forget to mention that Low also talks about a lawyer's letter from the palace, as well the Sussexes.
As for the Palaces' PR being "galactically stupid", I think that's a great phrase. Their comms on race-related issues in particular have been galactically stupid.
Consider for instance the ham-fisted trotting out of random black people to stand next to various royals in the months after the Oprah interview, for photo ops.
Consider too the mishandled Lady Susan Hussey debacle.
Add to that Charles promising to look into links between the monarchy and slavery in the same period that his propagandists are out crowing how pleased the king is that the only member of colour in his family is not coming to his Coronation.
And consider the "Kate wanted Meghan to sit at the back of the Abbey" story from Bower, followed swiftly by a "friendly" soft soap story about Kate's (not quite) ancestor freeing Meghan's ancestor from slavery, rebranded as "servitude".
Consider the hideous debacle that was Kate and William's Caribbean tour, complete with a tone deaf standing on a driving landrover images, as though we are still in the 50s. No surprise that the anti-monarchy sentiment in Jamaica swelled after that.
Away from race, the backfiring story about Harry and family being evicted to make room for Andrew, and to make the Royal Lodge available to the Wales because, as one KP friendly journo somberly put it, the Wales deserve to live at Royal Lodge because their kids have to go to birthday parties at house bigger than their own. Oh the horror.
I always thought the royals and royal reporters were clumsy and tone deaf. Am glad to have found a new phrase. Galactically stupid is exactly right.