[Karunamon]

>If the big bad government wants to shut down your little cryptobubble, it can do so anytime it wants with the stroke of a pen.

Let's think this through. How well has government prohibition of what private citizens do in their own homes worked in practice for anything else it's been tried on? Then consider that we're talking about data rather than physical objects, which are even slipperier.

All such an action would do is drive it underground. Anyone who wants to use bitcoin still will.