It seems like a clever idea, because a cheaper dollar not only boosts American exports but also cheats foreign holders of Treasury debt by paying them in debasedcurrency.
They cannot suffer when paid in the best money known to man, but are the peculiar and most defenseless victims of a debased and fluctuating currency, which offers continual profits to the money changer at their cost.
Of course if his advice is followed, a dollar that rests near all-time lows versus every major foreign currency along with gold needs to be debased even more.