I'm starting to think that Michael has been playing a long con the entire time, and is still evil. The entire point of the experiment was to indeed fail, and doom humanity for good.
Exposing the old lady so easily was just to lull the humans into a false sense of security that they can thwart Sean and the other demons
Exposing the old lady so easily was just to lull the humans into a false sense of security that they can thwart Sean and the other demons