Standard economics are a simplistic model that fails hard to account for the effects of their own simplifications. No one sees physicists saying that a bouncy ball will bounce forever because it loses a negligible amount of energy in each bounce, but we see economists talk about a magical system where they get pretty much every assumption wrong and don't account for how it makes the model deviate from reality. (I had a list of aspects where the assumptions go wrong, but it's a bit too long to fit in the margin of this post)