The government can do many things if it wants but the government can't harm bitcoin or crypto currency if it wants. Because millions of people in a country invest in virtual currency. Therefore, if some actions of the government cause financial loss to those investors, then the government will have to take responsibility for that loss. That's why the government doesn't crack down on Bitcoin at all despite doing a lot of things.
China might have a word with this!
Also, how do you think crypto adoption works in NK?
Your idea of unstoppable crypto will come to a screaming end once a punishment-by-death law is issued by some nutty dictatorship!
Do not confuse a piece of code distributed among 100 000 does with your life!
We currently do not know China's future plan for crypto, but it seems that they will soon accept crypto because Hong Kong is the testing ground for this plan.
It's pretty simple, they want crypto, but crypto that they issue and control.
So they have no problem with search engine was long as it's baidu not Google.
They have no problem with social apps as long as it's not facebook it's Weibo.
They hate a currency controlled by the US, but they love their own manipulated two rates yuan!
China is in full swing of enforcing capital controls as more and more wealth is draining from the country no way they will allow the perfect tool for that to have a foothold in the country.