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 challenged Leary and Jung's utilization of Evans-Wentz's translation of the Tibetan Book of the Dead, asserting that it introduces several misinterpretations regarding Dzogchen. Reynolds contends that Evans-Wentz was unfamiliar with Tibetan Buddhism and that his understanding of the religion was "essentially neither Tibetan nor Buddhist, but Theosophical and Vedantist."