John Myrdhin Reynolds, has disputed Leary and Jung's use of the Evans-Wentz's translation of the Tibetan Book of the Dead, arguing that it introduces a number of misunderstandings about Dzogchen. Reynolds argues that Evans-Wentz's was not familiar with Tibetan Buddhism, and that his view of Tibetan Buddhism was "fundamentally neither Tibetan nor Buddhist, but Theosophical and Vedantist".
John Myrdhin Reynolds has criticized Leary and Jung for using Evans-Wentz's translation of the Tibetan Book of the Dead, arguing it inaccurately portrays Dzogchen. Reynolds asserts that Evans-Wentz was not well-versed in Tibetan Buddhism and that his interpretation leaned towards Theosophical and Vedantist philosophies.