(not taking a position on the contents here, just on the social process).
I personally find parapsychology very interesting - and it's worth reading about, worst case consider it well-build scientific SF. It asks a lot of interesting questions: how do you study something where the scientist is directly entangled? how do you study something where you may have an actively hostile field of research? see e.g. https://books.google.ch/books/about/The_Trickster_and_the_Pa... who was written by Hansen on leaving the field....