We print money, send it around the world, and the world sends us goods. It was a great thing.
Something that weirdly both Milton Friedman and Karl Marx would equally agree on.
The point of an economy is not to make a profit or collect currency. The point of an economy is to provide ourselves with goods and services.
Focusing all of our efforts on making things so that we can send them to other countries in exchange for pieces of paper is backwards.
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For us individually. For us collectively it was a horrible thing. We lost the means and incentive to produce anything durable, including a healthy, educated, sustainable society.