US dollar is a mess, euro is a mess, the whole fiat world is a mess.
And yet bitcoin is in a continuous downward spiral? Give me a break...
It's completely unrelated; Bitcoin is still way too small, untested, and "unsafe" for normal people to use. It's like asking why WOW gold isn't reacting to the recent financial crises.
+1 This is it exactly. Bitcoin is too niche and "wierd" for it to have much connection with the international market movements (yet).