You're right, Stephanie, the extent of deception here is astonishing, as is the complexity of the tactics employed by Newland -- it's simply not credible that this was some sort of role-playing game to which both parties consented.
But "the victim should have known better" is no kind of defense, nor is it an argument for a lighter sentence. Newland went to incredible lengths to deceive someone who clearly was naive, gullible, and emotionally vulnerable. To my mind, that makes the crime worse; to say otherwise is to blame the victim.