Showbiz, in all its forms, is full of children piggybacking in one way or another on the fame or power of the parents. It was just the same at the Beeb 35+ years ago, and it's probably the same now. Nepotism. eh? Sod all I or you can do about it, and "if I had a million dollars, just one million to call my own", I might even indulge in something a little outré myself. But it wouldn't make a ha'porth of difference to whatever musical talent I might have. In the end, if Edmondson senior or junior are any good, then it will show; if not, it will show as well.