How does that work in the modern age. Granted he could get away with far more than the average man. But just suppose he kills someone at the next Trooping of the Colour live in TV, what would happen?
Viewing figures would increase?... not sure, it depends on the apathy of the UK.
I'm just offering an example of the lack of accountability.
The first thing Charles did as King was request a 50% increase in his purse from the State. Since then all royal duties have decreased. I think that shows where his priorities lie.
But imagine someone like Trump or Putin was born into the family. A madman who is the head of the armed forces and the police never having to face election or prosecution.