CommanderQ

The problem with monarchy is that you can't guarantee what the kids are going to be like. In the Armageddon Inheritance series they made military service a tradition because learning discipline would make that heir a more responsible person later.

The Expunging group would not be a government per se, they would be a limiting group that would force people to think before they pass laws. Robert Heinlien in The Moon is a Harsh Mistress pointed out that restrictive laws are passed because people don't like other people doing something. They never use themselves as the target, it's always 'I hate when someone (Insert peeve).