The Problem With Gnostics

How could these religions be considered Christian if they didn't think Jesus' death mattered? How could they consider the God of the Old Testament to be a lower level and inferior divinity, and this material universe to be a cosmic disaster? Did Gnostics have their own Scriptures? Did they use the books that later became the New Testament? If so, why didn't they just admit their views were wrong? We will address these and other issues in this exploration of the highly unusual world of Christian Gnosticism.