Are you trying to say that he won't see a double move in the NFL? And ones run by actual NFL receivers, not a freshman named Kevin Stepherson, who likely won't be an NFL player?
That play exposed the biggest weakness of Jackson - he's a "clueur". He guesses out on the field rather than reading. When he's right, he can pick off some passes. When he's wrong, he gets beat over the top. It shows that he doesn't study film and tendencies well. It may work in college where he's a far superior athlete to many of the guys he lines up against, but against NFL wideouts, he'll be taken behind the woodshed. I would compare Jackson to Janoris Jenkins when he first came into the NFL - another guy who guessed a lot and got burned a lot. Jenkins has since learned how to study film, and he's become a much more sound player. It remains to be seen whether Jackson can do the same thing.
Walking through the door, though, Jackson is an elite, electric return guy. Not sure if the Cowboys would put him back there if they select him, though, because they didn't with Terence Newman, and Newman was outstanding as a returner at Kansas State.