Obama only followed what Bush set up and tried his best to mess it up. Bush saved the economy from collapse. It was not "wars" that caused the crisis, it was not the fight on terrorism. Bushs "end of presidency" decisions were excellent. Doing his job until the end.
Yes, like giving loans to people that couldn't afford it. I imagine its "great" for business and that's why they did it. They anticipated massive profits from "giving" out these loans and never thought there was a possibility of default. As always, you know best.