The real question is how such a vile human evolves in a free God fearing society.
Freedom means being free to reject God, to reject the challenge of the human condition, to seek demonic means and ends, to pursue evil.
So for me, the real question is why God would put so many filth-choosers on this planet all at the same time, under conditions where each one of them has an equal vote.
Did He really wonder what would happen?