It is quite possible that the creator was in fact a group. But attributing a beatiful piece of software to nefarious elements of Goverment is overrating their capacities. If it would concern bright scientists achieving breakthroughs in Goverment funded projects, ok (but that would not be kept such a secret), but not the bad parts of Government. Why release the keys to permissionless decentralised value transfer over the Internet if your aim is control over Society?