Syag –
There is a major flaw in that approach.
What you are saying sounds very nice, that Hashem knows us so well that he can figure out our next move. Taken to its conclusion, what you are essentially saying is that there is no real “uncertainty” built into the universe; that theoretically, if you had a supercomputer that had all of the values in the universe from the time of creation until now built into it, you would be able to calculate the future with as much accuracy as a basketball player who can “predict” that the ball will hit the backboard. This approach has a name; it is called Laplace’s Demon.
The problem with you advocating this approach is obvious. If free will really exists, then there must be a real uncertainty built into the universe. Otherwise your will is as free as the basketball’s.