Andrew Altschul, according to reviews, has applied a devilish wit to what he observes as a growing societal fascination with reality TV, in his novel, “Deus Ex Machina” (Counterpoint, 2011). That fascination, in Altschul’s view, centers on ever-devolving scenarios of debasement, danger and cutthroat competition for contestants. Intrigued by shows such as “Fear Factor” and…