What central banks can't control is the whirlwind that will be the inevitable result from the stupid policies adopted back in the 1910-1913 timeframe. All they will be able to do is react to the debt-fueled collapse of the world economic system.
If you are waiting for the ‘inevitable’ result of something that happened over 100 years ago, you may be waiting a wee while longer. Perhaps a few more hundred years.
Did you gloss over where I stated that it has collapsed several times since? Do you exist only to sling shit?