I have seen a little of the world and many pariah states deserve that title.
Your opinion of other countries has nothing to do with ditching the dollar or economy for that matter.
The financial turmoil in 2008 was due to excesses and a lax executive control.
The economic crisis of 2008 was caused exactly because of what the US banking system was doing which is the definition a Ponzi scheme. The worst part is that it was not and still is not the only case of Ponzi scheme...