This is a case of 'sour grapes'. That is, since he didn't plant the grapes and he can't have any of the grapes, they simply must be sour.
His lack of vision firmly implants him in the past. Nouriel, welcome to the has-beens-club. You ranted and raved and pounded on the table and absolutely NONE of your proposed reforms has been given anything more than a nod.
Bitcoin comes along and realizes that if the old rules are as corrupt as Nouriel Roubini says they are, why even bother playing by the old rules at all?
This is a new game Nouriel and you get to warm the bench.
couldn't have said it better myself