MBS were the engine that kept a housing mania going. But as you said, they didn’t make people over leverage their own houses. Arguably the originator banks des

MBS were the engine that kept a housing mania going. But as you said, they didn’t make people over leverage their own houses. Arguably the originator banks deserve a lot more blame for that, since they actually were the ones willingly handing out bad loans and/or encouraging bad consumer practices.