> History is useful for the thrill of knowing the past, and for the narrative (indeed), provided it remains a harmless narrative. One should learn under severe caution. History is certainly not a place to theorize or derive general knowledge, nor is it meant to help in the future, without some caution. We can get negative confirmation from history, which is invaluable, but we get plenty of illusions of knowledge along with it.
Lets also then consider that this gentleman has made a career from a book about the unpredictability of events, and should no more be venerated for his prediction capabilities than someone working under the neon lights of a flickering roadside Psychic sign.
Looking at the highest US national debt levels in history while declaring that we are in for a debt crisis is on the same level of prediction. Of course the most likely scenario is debt spiral. That is the lesson of history, and the pattern of civilization, as leaders aren’t wise and austerity isn’t popular.