Reserve is the concept that keeps No Wasted Geometry from misreading its own name. A careless version of “waste nothing” would try to activate every scrap of capacity — which is destructive, because living systems need slack: a hospital needs unused emergency capacity, a grid needs headroom, a person needs savings, a family needs spare time, a civilization needs inventories and contingency. So one distinction has to be protected strongly: unused does not equal wasted.
Reserve versus hoarding
Reserve stabilizes continuity across variable conditions, and spare resources are also precisely what let something new begin — so the ecology needs both available reserve for tomorrow and active replenishment of what today consumed. This is different from hoarding: storage becomes a problem only when one participant’s reserve unnecessarily deprives the larger field of the replenishment other viable participation needs. The real question is not who has a lot? but what amount of stored capacity performs a legitimate resilience function, and when does it start reducing the renewability of the whole? See Renewability.