Then any way to dismantle the existing consume-everything-to-make-a-profit economy, which is caused by archaic and inefficient monetary systems, should be good, right?
How much energy is wasted / burned because of our existing monetary policies?
cryptocurrency PoW is bajillions times more efficient than, i dunno, exerting currency dominance by shows of military power or shipping goods all over the world because its "cheaper" to make things here and sell things there.