Bitcoin decentralized government will never have the power to control it for which it is difficult to impose taxes. Created on an open source basis and without a single issuance center the cryptocurrency is completely independent of bitcoin government banks and corporations he is anonymous and easy to manage protected against inflation. The popularity of a particular currency depends largely on the development potential of the currency once centralized the government is able to control like fiat.
The writing is hard for me to understand exactly the point you are making, but since it seems you are pointing of government not to be in control of bitcoin because it's decentralized currency and the documents of bitcoin is not in position of any governmental unit and agency, it is real that Bitcoin is different from fiat and is independent from it regulations and that made it automous without the support of government subsection.
Even though bitcoin is decentralized, the governments focus is to somehow make bitcoin regularized. Since they can't control the usage of bitcoin, the only option left with them is to regulate it.
They can't let people use crypto freely, they will try every effort to have some sort of control over it.