I can't help thinking that Yewtree is focusssing on Z listers who were big in their day but relatively back row in todays terms, and that their are still a host of A/B listers who hung around the dressing rooms of the tv studios in the 70s etc but are still rocking it today and being overlooked due to their 'celebrity' status.
Not saying anyone shoud be overlooked, but given the way young girls have tended to fawn themselves over any young boy celebrity (remember the Take That split suicide hlpline?), there must be a fair few still famous celebs pooping themselves waiting for a knock.