I was to young so I didn't get into 60's music at all so it doesn't bother me. Academically speaking, its and interesting thread.Mili Vanilli didn't bother me either.
The Mili Vanilli thing didn't bother me at all either. I though it was funny how strongly some people reacted since lip syncing was going on anyway. I was way more upset about sampling other artists.
That said I picked up a copy of the cassette out of the seconds bin right before the class action suit happened. I sent in my sleeve and got my check. I still have it some where. I used to display it in my office.