The government are smart enough and also greedy at same time, they see bitcoin as a threat to their system, we have all known governments for always looking for a way to be superior Over it's citizens, bitcoin doesn't give them that chance, bitcoin gives individuals the power of getting full access, privacy and control to their asset, and the government doesn't want that to happen, they will always prefer the fiat currency they can always control and be able to monitor it's citizens assets through the help of the banks.