I think you are misunderstanding the point he was making. I prefer a primarily pocket passing QB as well, but improvisational skills still apply and are very important to take the leap to franchise QB play. The point on the example isn’t so much the poor completion percentage outside the pocket, as it is being able to take advantage of blown coverage outside of the original play call. When plays break down, a franchise QB will often find that unplanned for guy who gets open and make the defense pay. While it would be nice for Tua to get better outside the pocket, I think you do have to take the hip into consideration from last year, but he will need to get better at the chaos play.