A lot of those yards came from poor tackling which is a personnel issue, not scheme. The same issue I addressed with the running game applies to check down. I was glad they didn't give up a pass play longer than 20 yards. If they did, this game might have gone to the Cowboys.
Just bad strategy, imo. Took a good offensive performance to win. The Cowboys have nothing at WR without Dez and a garbage QB. Not sure why the gameplan is let them roam free underneath and play essentially a prevent defense. I would think loadin the box and stopping the run would be more effective. Make Weeden work.