Re: Don't worry, it's only money
"William I conquered the whole of England"
Yes, and your logic is fine right up until the Civil War, at which point we find that King Oliver the First conquers the whole country and gives it to *his* cronies instead.
Which is again fine, up until the twentieth century where we find that would-be-King Adolf *fails* to conquer the country only because of defeat by ... well pretty much every man, woman and child in the country, at which point it presumably belongs to them "by right of conquest". Of course, like all conquerors, they've mostly (by now) passed it on to their descendants.
The other great change in the last 950 years is that we've noticed that while "right of conquest" is an excellent (because indisputable) mechanism for deciding who has power, it is a pretty crap method of deciding what to do with that power, so for the past few centuries it has been traditional to delegate that bit to our servants. However, if the servants are going to make *quite* such a pigs ear of it, perhaps that policy needs to be revisited.