Mouthy, the problem with that argument is that if a lesson were need have been taught, then to whom is this lesson being taught?
Some say the angels, some say for a principle. No matter what, to subject others unwillingly to this nonsense is to play God. Whoops!
(Just because a being is smarter, more powerful or long lived, doesn't make that being morally upright)
This is what I mean by Stockholm Syndrome.