Can anything be read into the fact that many top all rounders and most group judges at Championship level are KC members? Just a coincidence perhaps? Many championship secretaries are KC members and it is well known that having this on ones judging CV oils the wheels.
Difficult to know, think perhaps those who show the most interest and put in the most effort get the most rewards - now I am not sure if this includes membership of the KC as I am not but like most things in life the more effort and time expended the more the involvement.