That's complete bullshit. The problem comes from going from 7:1 leverage to 40:1 leverage. Who did this? The very names who have made headlines, the republicans, Hank Paulson.
There is $14T in mortgages and $165T in paper on those mortgages.
Hank Paulson as CEO of GS built the model for that gas can and the others followed after seeing how much his greedy ass was earning.
Fannie & Freddie WERE GSE's, then taken public, then re-GSE'd under Bush & Paulson's socializing of Wall Street losses.
I would guess OP is one of the people sending around the spam saying "Look, everything was fine until we got a Democrat majority in Congress..."