Will that always exist? No, but then neither will mankind...
Exactly who are you responding to here? I'm not exactly sure where you gathered that from my previous remarks. Just pointing out that a loss of confidence in the dollar or simply a collapse of the political entity backing it is not off the table. If you study history, huge debt burdens relative to productivity have killed powerful empires in the past and will continue to do so in the future. We are not exempt from the laws of history.