I can’t see what the fuss is all about. Peter Cook and Dudley Moore were doing far more obscene publications in the seventies… Admitedly not on morning radio…
Update
It seems the Mail on Sunday have worked their magic. There were two complaints to the BBC in the week after the show was broadcast. Then the Mail published a piece stating that Andrew Sachs had been upset by the calls and over 38000 complaints poured in.