The Big Short tells us "In Bakersfield, California, a Mexican strawberry picker with an income of $14,000 and no English was lent every penny he needed to buy a house for $724,000." Nothing in the CRA ever demanded that obvious inability to pay be disregarded. Once Wall St. started believing bogus CDO ratings and it became possible for mortgage banks to unload 100% of the risk, they weren't being pressured into writing stupid loans, they were eager to stuff the channel by writing as many as they possibly could before the music stopped, and used every trick they could think of (teaser rates, negative amortization) to get each buyer out the door and through the first months of a loan they knew was doomed.