I want to clarify for this person I myself do shaolin kung fu and Chinese boxing that does not prevent me from being a completely opposite its opinion .... The question is therefore obviously no value in itself but interpretation of things.
SO: this work has been described numerous times as one of the most important religious texts in the world. Why? For a complete, consistent, deep is presented for the meaning of life, mechanisms of death. It is somewhere "one of the main explanations of the greatest mysteries for us to Western life", "us" because for Eastern believers this is already integrated in their spirituality.
Concerning the Buddhist teachings, Matthieu Ricard, Buddhist monk and scientist, once said "it's like opening a chest and discovered that all the works of Plato." So finally we adhere or not this teaching is a thing, but I think for those seeking to learn it is necessary to at least try to read this Work with depth.