There is a persistent myth that capitalism has destroyed what would have been a natural abundance and peace of mind. Yet nature does not generate abundance or peace. The characteristic mark of the "state of nature" is irreconcilable conflict.
The marginalist revolution posed a fundamental problem for economic theory. Mises’s approach not only solved the problem of economizing resources in a division of labor, but provides a robust framework for economic research.
MMT basically holds that governments have control of unlimited amounts of real wealth — thanks to money-printing power. But if this were really true, countries like the USSR and North Korea could simply create money until they became wealthy nations.