Some Important Theological Questions are Answered if we think of God as a Computer Programmer. He could, if he used the debugger, but it's tedious to step through all those variables. God thought he eliminated evil in one of the earlier revs. He likes to think so, but he is often amazed to find out what goes on in the overnight job.
Otherwise things can wait until tomorrow.
He did it in six days and nights while living on cola and candy bars. On the seventh day he went home and found out his girlfriend had left him. A lot of people are drawing things on the white board, but personally, God doubts that it will ever be implemented. God thinks of him as irritating but irrelevant. Onto a backup tape.