"I think the big error is obviously to print money , I think it does not help in the long run , it can give a temporary boost to economic activity but it does not lead to sustained economic growth in fact it creates a miss-prizing of assets and of goods and services...the central bank or in the case of the US the Federal reserve what it can't know is where the money will flow to..."
That comes right out of the Austrian School. You can give the economy a short term boost with monetary stimulus but then there's a mess a little down the road. If you persist with this short term approach then the next mess keeps getting worse than the last mess. The Austrian School adherents all saw the the housing blowup coming.