Ryback, Wade Barrett, Heath Slater, Big E, Justin Gabriel, Mahal, Rusev, Jack Swagger, Otunga, Ziggler, etc all came from Developmental FCW, or NXT. They are all considered busts. Sheamus, Bryan, The Shield and CM Punk are the only notables to come out of WWE developmental. That is a fact. Bray Wyatt is still building his name and it hasn't even been a year yet. Fandango is already beyond stale. Adam Rose will soon follow, and Bo Dallas may have potential. The WWE needs to get on the ball.
The positive to all of this is that they landed The Shield. However, these men have yet to go on their own. I believe that all three men could be main event talent. With those three men having the success I believe they can achieve will certainly keep the WWE at the top and all alone at the top of the business like it stands now. It's the quality of the program and characters which means anything to the fans. Wrestling isn't going anywhere, but it could use another boom period.