I think it's an interesting idea.

Although, it does remind me of reading about the rush to judgment that killed Nortel. While not totally related, the inciting incident is something along the lines of something appeared a little weird in a financial statement. To avoid even a perception of impropriety, nortel hired a top outside firm to investigate whether there was anything wrong.

The resulting investigation according to the author led to a chain of events and witch hunt that led to the downfall of Nortel and needless criminal prosecution of executives.

Anyways, probably not so much a comment on the idea itself, but more just a thought on possible outcomes when the process goes wrong, whether internal or external.