That would be _really_ _really_ expensive, there are much less expensive ways to create disruption. Plus, markets have a fun way of absorbing that kind of crap and laughing all the way to the bank, it's very risky that it could have the opposite.

I think the whole premise of attack from parties like that is a bit thin. Part of the reason that Bitcoin could even be argued to be some kind of threat to them is that it represents something so foreign to them.  It's an outside context problem, if you will. If it weren't they'd just adapt and then it wouldn't be much of a threat. But if they don't then it really is an OCP and they probably won't respond at all until it's too big for them to do so successfully.   (Or alternatively, I would argue that the only times such forces could successfully disrupt it would be during the "then they ignore you" and "then they laugh at you" stages, simply because it is such a weird and far out idea).