Only the bad kings and they soon found out about it.
replyYou would do well to look at the history beyond the modern era.
It's so common, the French have a word for it: https://en.wikipedia.org/wiki/Roi_fain%C3%A9ant
replyMore than a century of "do-nothing kings" who did not "soon find out about it".
Inertia and corruption are the default state. If we want nice things we have to be vigilant about letting power concentrate.