

the government should always identify itself to the people
the people should, by default, not be identified by the government
the power imbalance is important: the government is a large and powerful entity which is meant to serve the people without prejudice. people are individually small, and only gain their power from being a large group. the government is given power by the people in order for it to perform tasks beneficial to all, and must be accountable to the people
existing copyright law covers exactly this. if you were to do the same, it would also not be fair use or transformative