To make a long story short, the wealth created in the '00s was mostly fraudulent - based on unwise increases in debt.

简言之，2000年创造的财富大部分是不诚实的——基于在负债上不明智的增加。

youdao

He declined to be more specific, but law-enforcement officials in several U.S. states have accused some debt buyers of submitting incomplete, sloppy and even fraudulent documents in courts as proof of what a borrower owes.

WSJ: Consumers Cry Foul Over Debt Collectors