Plus, the bankers didn't cause the mess, the politicians did because the bankers are ALWAYS going to go crazy with loans unless they're reined in which is the politicians remit. When for example have the bankers throughout history never gone crazy when let off the leash?
The bankers and speculators are just easy meat to blame. Basically the masses are easily fooled.
Politicians said 'Everybody can own their own home'. The finance industry rose to the demand. Who is to blame?
speculators
The bank should have turned them down. Might have made people work harder and deleverage. But we'll never know what could have been.