I think that to get a group to be agile, you have to get people to do something like one of these things:
There is a telling sameness to all of these, is there not? —> This is a wonderful summary of a summary! There’s not much to be removed (see Saint-Exupery, below). In Italian, the expresso of an espresso is called a "ristretto" (any Italians online?). This is the agile ristretto. It belongs on a Blog or something. "La perfection est atteinte non quand il ne reste rien a ajouter, mais quand il ne reste rien a enlever." (Saint-Exupery)