Stewart would have had to have had great anticipation and a lightning-quick release to avoid being on his back a half-dozen times or more in the Houston game alone.
Furthermore, our receivers are NOT getting open with regularity and they were largely left in single coverage so that teams could stack the box to keep Hill contained. If they can't get open with Hill back there demanding corners be on islands, then they will certainly not fare as well with Stewart at the helm. Just sayin'...