An interesting read, and while I don't agree he does raise a number of interesting points.
Certainly the Beatles were mainly writers of 3 and 4 minute songs (mainly) and never ventured into the Velvet Underground or Pink Floyd soundscape. The point about removing any trace of black music from...
All Boy Bands
All Girl Bands
All winners of X Factor, the Voice or any other similar show
All pop groups in the vein of the Bay City Rollers, The Osmonds, Nolans, Bucks Fizz, etc
Bob Dylan - just can't stand his voice but his songs are great when covered by others
Madonna and others in the same...