It is the responsibility of the reader to decide whether a group is appropriate for his/her needs.
But there is another problem - the tendency to politicize every book, and here we are back to the responsibility of the reader.
It's not the responsibility of the reader to think of the experience as a magical journey.
The use of any information is entirely the responsibility of the reader.
(Any speculations about reincarnation at this point are the responsibility of the reader, not of the author.)