You won't ever make the government accept BTC. If they do, that will be according to their own plans.

We can read, some governments have heavy investments in crypto. But that's to invest their funds and research the technology.

Accepting BTC from citizens is another question. It would be a bit too difficult to control and too valuable.
In practice, governments prefer to print their own currencies with lower value and full control over it.

Exceptions? Some of the more liberal countries such as Netherlands or the tech-experimental countries such as Japan, maybe...