It's dead easy Sue.
EKH are answerable to DDC officers who are answerable to the elected Councillors who are answerable to the electorate.
If, at any point, the power structure breaks down and the tail starts wagging the dog, it's time to have the dog put down and a new one substituted.
(Personally I'd like to change the electorate!

)
(N.B. That was a joke)