1. Satoshi Nakamoto is NSA and he is going to pay the 1 million Bitcoin.
That's just pure nonsense
2. NSA will buy 1 million Bitcoin and give us a nice increase in the price.
I highly doubt that, and it would be really hard to purchase 1 million Bitcoin in a short amount of time (especially without pushing the price insanely high).
3. NSA won't do shit . (which is the thing likely to happen in this case)
Let's see how this one unfolds.
I don't see why this is bad publicity for Bitcoin. When someone demands a ransom to be paid in dollars, nobody bats an eye. When someone demands a ransom to be paid in Bitcoin, everyone loses their mind.