You touch on a deeper truth about change in organisations. It can't just be important, it has to be vital. That is why military is such a pure testing ground for leadership. Or why Edmonson's psychological safety research was initially carierd out in hospitals. In less life or death situations, the fact change is only important not vital allows more emotional needs to distort things. Leaderless teams only thrive when senior authority cultivates or tolerates such autonomy. If they try to control due to some individual or systemic needs then autonomous leadership dies.