To my own limited knowledge of economics it sounds ridiculous that economists claim they can't understand or foresee such a crisis. Just remember the austrians or Minsky. History is full of them. The only thing that's surprising is that anyone is surprised at all.
But maybe the issue they are after is less a desire for understanding but a recipe to manipulate societies to eternal prosperity or whatever the government or their paymasters deem appropriate.
Well, the federalization of war debts back then wasn't exactly popular and thought of to favor only speculators who bought up the debt on the cheap. Jefferson won 1800 campaigning on these lines. And it didn't last long and the states were back up to the hilt in debt and some had to default. Really a modell for Europe? But raising tariffs to pay for it all may turn out to be popular today as well.