Re: First time I have to totally disagree with you, Tim
"The only problem with that model is, who buys the stuff the business owners are making, if almost everyone is poor?..."
"Unless they realize this, close the gates, and just trade amongst themselves."
This danger has already come and gone for various economies, with a tried and tested solution: pay people to buy your shit.
This might, depending on whether you're a country, corporation or individual, be dressed up as equalization payments between regions, foreign investment into countries with lots of customers, or that 0% deal on your sofa - it's just pumping money back up the hill so that it can keep flowing.