I would consider a world wide depression caused by over allocation of money into a few sectors a sub optimal outcome. But maybe if we had more central bank intervention and more of government encouraging lending for homes we would be better off.
Dammit now I don't even know whether this is sarcasm or stupidity.
Surely everyone understands the real estate crisis by now. Are you saying it was not a Keynesian phenomenon? Individual investors blew up the housing bubble?