Linda14: That time lag makes the wicked and Satan to cause problem for the just.
If Satan and his followers are wicked and those who follow God are just, then the proper outcome would be for God (and justice) to prevail over Satan (and wickedness). One wonders why God would allow wickedness to spread over the world at the expense of justice, but we can also recognize the story as a way of explaining why humanity is in the shape it's always in. It's not a great story, but we're talking of a time when editing documents was a very rare thing indeed.
Satan is an odd character. He challenges God and leads humanity away from him, even though he must realize that the story can only end one way. Satan is a tiny speck in a massive universe that was shaped by the hand of the person he has chosen to oppose. God can (and, in the story, promises to) undo the Devil's damage at any point and restore order to the universe. One wonders what principle the Devil stands for. But, when your life story is a sloppy amalgamation of many old tales and themes, I suppose this is the best we can hope for.
In any case, the issue of sovereignty is -in the case of the Abrahamic God- a case of "might makes right." Had Satan's cause been just and God been wicked, God wins anyway. Right and wrong come into play mostly because we don't want the winner and ultimate power to be wicked. And not even just, in some cases. So God is also presented as merciful. And kind. And loving. And so on. This seems to happen as a progression, as if the people defining God realized at some point that their early depictions were quite scary, and they needed to tone Him down just a bit.