Actually they can pre-mine the coin and well, if they are creating a coin, for sure they will make things like put your name on the wallet and track all your transactions, don't matter how the future will be, for sure the government will regule your life and you will have to pay taxes.
Exactly, no government would accept a currency as their own if they have no access on it at all, if bitcoin is legalized it would probably be an alternative currency but the main currency of a country always be the ones that is in control of government.