There's also this meme[0] where people on the internet started calling each other NPCs after a study came out that showed that many people don't have an internal monologue (these people pressumably are the NPCs)
If it was only so easy, that those who were evil could just be separated from the rest of us, but alas, the line that separates good and evil cuts through the heart of every person
Paraphrasing Solzhenitsyn, of course..
Don't be so quick to apply the quack and nut case label, please.