Actually, he more I think about it....

Respect for the older singers should be for their contribution in passing on their songs - nothing to do with them being good or bad singers.

...reeks of patronising disrespect. Respect for the old singers has EVERYTHING to do with their craft as singers. You flew at me for daring to suggest collectors saw their sources as passive song-carriers - this is exactly what you're suggesting here, old man. I'll refrain from calling you a hypocritical flatulent old fraud, but I'm sorely tempted.