Why would an increase in economic inequality increase discretionary debt? The wealthy would pay it off, and the poor would be tightening their belts (or at leas

Why would an increase in economic inequality increase discretionary debt? The wealthy would pay it off, and the poor would be tightening their belts (or at least not loosening them). The broader problem definitely has to do with inequality, but this slice of it is surprising and really probably doesn't relate to that.