You’re talking about being employed by a devil, or maybe receiving continuing patronage from a devil. I’m talking more about having the one-off opportunity to drain a devil’s coffers (whether or not you get the resulting money), without having the ability to turn that into an ongoing relationship.
Basically, this is the other side of the coin to the idea that iterating the Prisoner’s Dilemma gets you the potential for tit-for-tat, and thereby cooperation under expectation of tit-for-tat. In this case, “defecting” against a devil is good — but, just like in the traditional Prisoner’s Dilemma, it’s only practical to defect if the scenario is one-shot.
Basically, this is the other side of the coin to the idea that iterating the Prisoner’s Dilemma gets you the potential for tit-for-tat, and thereby cooperation under expectation of tit-for-tat. In this case, “defecting” against a devil is good — but, just like in the traditional Prisoner’s Dilemma, it’s only practical to defect if the scenario is one-shot.