Oh, what you will find about this is it will always be someone else's investigations that bring this about, never the Royal Family's. Same with the Met for that matter, it's the BBC that exposed Charing Cross station's behaviour, don't expect the Met to do uncover stuff on themselves.
Lord Mountbatten was said to have sexually abused lads in a Northern Ireland care home, in a reputable biography reviewed in the Times, may even have been by the same author behind the recent Andrew and Fergie bio.
It's now said, ooh, look at the way William is showing distaste for Andrew and is taking a hard line - well, alright, but he seemed happy to throw his own brother under a bus re feeding stories to the tabloids so he won't hesitate on the issue of Andrew, it's not necessarily high-minded, may as well be self-preservation.