It is not the Lehman Brothers calamity or the horrendous costly bailout of AIG to save finance from collapsing.

FORBES: Corzine Had MF Global Leveraged 80 to 1

When it was a subsidiary of AIG, American General Finance, as Springleaf used to be called, issued bonds at interest rates of 5% to 7% and made loans at rates that often topped 10%.

WSJ: Choices Shrink For Subprime Set

Paulson seeks a permanent injunction against such practices both with respect to AIG and Shariah-Compliant Finance more generally.

CENTERFORSECURITYPOLICY: Uncle Shariah

About 50% of the U.S. jet fleet is leased from such companies as General Electric Capital Aviation Services (nyse: GE - news - people ), International Lease Finance Corp. (a unit of AIG) and CIT Group (nyse: CIT - news - people ).

FORBES: For Sale: Used Jets

Since GE owns two Utah finance companies, it is now overseen by the Office of Thrift Supervision, the agency in charge of AIG and one not known for its stringent examinations.

FORBES: Companies, People, Ideas