Well, if he wrecks the world's economy based on this? What everyone else should do, during the rebuild of the world's economy, is then leave the U.S. out of it entirely until it is rebuilt so that we can't wreck it ever again. We put him there, he wrecked it, we shouldn't be allowed to participate in it in any way where we can be allowed back into wrecking it in the future.
"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor