We lost Iraq the moment we set foot in it.
We lost the economy when the Federal Reserve was not only permitted to go rogue, but got cheered for it.
The insurance companies largely wrote the very legislation they are suffering under; they got killed largely by their own greed.
Obama is only a part of the problem, and a relatively small part at that. The overall system is beyond repair and that has been the work of decades and both parties are fully up to their necks in it.
Without a Boehner and a Ryan to work with, Obama would have been able to do very little.