That's true as long as there are hoarders and spenders as well. As soon as there are too many hoarders, inflation comes back, and there's personal incentive for

That's true as long as there are hoarders and spenders as well. As soon as there are too many hoarders, inflation comes back, and there's personal incentive for everyone to spend. There is no equilibrium at either everyone being a spender or everyone being a hoarder, thus the self-balancing nature.