They don't seem to realize if they play the game of collecting money too hard the system will break down and we will get into the old problem of STAG-FLATION. (ie stagnation - inflation which I think we are starting to see right now)
It's not the least charm of a theory that it is refutable. The hundred-times-refuted theory of "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it - Friedrich Nietzsche