I predicted that would be the reaction of some readers.
My mother, many years ago, died of cancer; that cancer was so widespread that the doctors felt she was a rare case, having lived so long with the cancer. Her body was donated to science: If she saved one life, then it was worth it.
I will probably get this book, as I am dismayed about these "seminars", etc. But, let's face it-any business has its abuses with maggots biting at the bit.