What about the amount of money they generate? I would imagine it dwarfs their cost?
They generate 5x their cost according to this Independent report.
"While the average annual cost for UK taxpayers in royal upkeep comes to around £500m a year, Brand Finance estimates the monarchy’s brand...
You say that, but you've got some real trouble in the top ten line of succession. They're either really young, paedo's or nutters (after William who seems like a decent bloke).
King Charles III(b. 1948)
(1) William, Prince of Wales (b. 1982) B D W
(2) Prince George of Wales (b. 2013) B D W...
Interesting timing given what seems to be a more serious operation for poor Kate. Suspect Charles has taken one for the team to take some of the interest away from her? These things are always considered to the nth degree.
https://www.bbc.co.uk/news/uk-68009259
Loved the Queen, impossible act to flow, but he is doing a stout job of it. William and Kate are total stars though, that's the modern monarchy. They work damn hard at it too.