Most grapplers try to fix a strength and gas problem on the mat. More rounds, more rolls, more open mat, hoping the engine shows up on its own. It does not. You just rehearse gassing, get hurt more, and reinforce the same bad positions you fall into when you are tired.
Maximal strength, work capacity, and the aerobic base that recovers you between exchanges are three different qualities. They do not improve by accident, and they do not improve from rolling alone. They get built off the mat, in a deliberate order, so they stack instead of canceling each other out.
That is the whole difference between this bundle and "just train harder." Every program has a job. You stop guessing and start showing up to the mat with a base your training partners can feel.
And it is the same strength and conditioning Atomic has run with serious athletes for years, not a theory written by someone who has never been smoked in a hard round.