Not necessarily. I think that appointment requires an Act of Parliament, as well as loyalty oaths worded such that Harry would burst into flames if he dared to speak them.
Prince Edward, the youngest son of QE2, might be a better choice, given that a Counsellor of State will also be appointed, and experienced courtiers will be behind the Regent. No doubt it would be quite political and a struggle, no matter what. Pray for William and family.
William was exposed to some cancer causing thing in his helicopter. Don’t remember the details.
This whole thing is like some plot in a movie.