...if people do not pay credit card debt, that money remains in circulation. So default is actually a form of patriotism in today's trying circumstances. And the credit card companies really don't lose anything, since the money didn't exist before they lent it to people who are now broke.
(Source: Citizens' Economic Stimulus Plan: "Stop Paying Credit Card Debt," by Richard C. Cook. Information Clearinghouse.
November 24, 2008.)
Well, yes, but then there is this other way of looking at it.
If therefore ye have not been faithful in the unrighteous mammon, who will commit to your trust the true riches? (Luke 16:11)
If you borrowed it based upon an agreement to pay, then just because the lender is a crook doesn't mean you should be dishonorable. If you can't pay it back, that's different. That's why Jubilee existed and there was a seven-year period and then forgiveness too.