It starts off with a quite sensible proposal that the expectations of the populace from the monarchy are quite unreasonable and that this has turned the royal family into a dysfunctional assortment of tormented souls. The issue of duty as interpreted by the Queen and laid on her offspring has led them to be the way they are, which is by no means a normal family (whatever that might mean in the context).
He then goes on to comment on their intelligence, and, of course, they are all stupid, because Johann Hari is really clever and better educated and is thus enabled from a lofty viewpoint to comment on their flaws.
The next step is to look at the alternatives, but who, in their right minds, would wish to have someone like Blair, Brown or Cameron as president, much as they themselves might welcome the opportunity.
And then, of all things, he suggests that the constitutional function could be carried out by the Speaker. May all the powers of the universe protect us from Gorbals Mick or little Bercow having any more influence than they have already misused.
And to cap it all the quotes on the cover are from Christopher Hitchens and Julie Birchill. If you wanted an unreasonable view, or biassed opinion, you couldn't do better than that.
I loved it because it proved, beyond all reasonable doubt, what a self regarding and opinionated individual the disgraced journalist truly is: thus supporting my original premise.