There is an ancient concept called "sovereign immunity" which holds that rulers (people making laws) are automatically exempt from those laws.
Very ancient concept. What was it, Magna Carta, 1215*, that established that the sovereign was indeed subject to the law? Nowadays, sovereign immunity only applies to the state itself being immune from lawsuit, unless voluntarily waived. I think.
[0] - actually its 800th anniversary was 1 month ago today.
One day, dear Mars, unless I die first.
So you'll get to Mars unless you don't? That's profound or something.
Our business in life is not to succeed but to continue to fail in high spirits. -- Robert Louis Stevenson