I think anybody that gives their opinion in a confident way everyday is going to be criticized.
These tapes have been found, which were taken from the desk and various bootlegs. At the time we never got to hear them, they didn't seem to be available or they just got put to one side.
What has always surprised me when I walk into a bookstore is the number of books that you can find that are written with certainty. The authors tell some story as though it's true, but they don't have any evidence that it is true!