yes but the question is why is no one doing that?
don't they want to get away from the sinking USD ship?
The Bitcoin economy is still too small to handle a massive influx of capital just yet. There's also the global perspective to consider. Until Bitcoin gains legitimacy, it'll be viewed with curiosity rather than a valid place to park cash reserves.
As for getting away from USD, every economy is interconnected. That makes a transition very difficult. It's like fixing a ball of string that's all knotted - unless you want to start cutting pieces, you need to spend the time to undo the mess.
Too much disturbance and companies, entire business sectors and even nations could fall into turmoil. Mergers and acquisitions spark on a daily basis, margins get squeezed and national borders become blurred. As ambiguity increases, tensions accelerate and cooler heads lose out to reactionary effects (lawsuits, political maneuvering, war).
On the other hand, shaking things up can spur growth and new ideas...
So how is the weather today in fantasy land?
Mostly sunny, chance of showers in the afternoon.