You, along with very many other people, are assuming the banks were convinced by the government to do something they didn't want to do. You mustn't forget that giving loans to people you know won't be able to pay them back, and lying about their ability to do so, is an absolutely classic form of fraud. Bankers lie their asses off, make big bucks in bonuses, and their banks in the long run are fucked, or not (perhaps the taxpayer will bear the burden). The disgustingly simple explanation is that bonus money doesn't get clawed back. If these poor little bankers were getting bullied by the government into doing something against their interests, why the hell did they lie their asses off about their borrowers' financial prospects. Why wouldn't they say, 'sorry guv, you gotta look at these numbers, the black and brown folk coming to us for house loans simply aren't viable'