All that says is the existing life of the RO is now beyond 1 year, and even more limited. It is that much closer to death. Using the 3-4 two gap, or aka the old Okie 5-2, is providing the basis, and setting the stage to prevent an 11 on 10, +1, for the Offense. It then merely requires both ends, to maintain contain, even seemingly on air.
BB took apart the Denver RO with Tebow by relying on a defense his team used to play, and were still reasonably familiar with it. The youngsters are being retrained in it this TC, along with the noted emphasis on maintaining contain on both ends. Perhaps you were wondering why BB was doing this. Anticipation, it is part of what makes him a great Coach.
By the way is the Pats current OC using Tebow, the "father" of the revived RO in the NFL?