God did decide to make his archangels perfect and Adam and Eve perfect because they were made in his own image. The father example that was portrayed here doesn't apply because that is a earthly father with imperfection and sin. God does not have those traits. Again perfection does not limit...
Is it not God that created Satan, first known as his archangel? Wasn't this archangel perfect? If so how does something perfect make an imperfect act or decision? Even with the idea of "free will " being perfect would let you see far enough ahead to always make the right decisions. Further more...