> I suspect the Fed will be forced to inject more money into the system again, to rev up the US economy, and weaken the hyper strong dollar to protect people in developing countries from starving.

Although a noble cause, the Fed's goal isn't to protect people in developing countries from starving. I don't see why this would impact their decisions at all.

Foreign countries defaulting because of the difference in currency valuations could cause the US economy to go into a recession - which is something the Fed does care about...