Daniel Mezick confronts the elephant in the “agile” room in his post, Deviation from the Norm: “If current approaches actually worked well, then by now, thousands of organizations would have reached a state of self-sustaining, “freestanding” agility. Clearly, that is not the case.”
Pondering the question, several possible reasons for this result (or lack of) occurred to me. These are speculative and based on my own experience and observations.