Could it be that he wanted his genome to be duplicated 700 times to insure a long human web that started by him?"Wasn't it King David who had several hundred wives? And David is one of the biggest heroes in the Bible. This is the same David from David and Goliath."
He had about half a dozen. It was his father who had 700 wives and 300 concubines.
I suppose that can be classified as an extreme self serving philosophy.