It is clearly defined in the Handbook:
RATING AUDITOR
10. The Rating Auditor shall supervise the operation of the rating system and shall deal with rating appeals.
I read all available Rating Auditors' reports, and they all worked within those lines.
As for my idea(s) - I think that the CFC rating system is not broken but leaks
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Paul LeBlanc announced today he would run for Rating Auditor.