Complex sentence: Others characterise the group as primarily Gnostic and Jungian in worldview, far more so than focussed on Scientology, and given that Jungian psychology is overtly gnostic, and Bhuddism and Scientology have a primarily Gnostic principles, the group's Gnostic focus is without question.
Split into simpler sentences: Others characterise the group as primarily Gnostic and Jungian in worldview, far more so than on Scientology. So given that Jungian psychology is overtly gnostic, and Bhuddism and Scientology are based primarily on Gnostic principles, the group's Gnostic focus is without question.