"important source of income" via printing press is additive drug to the governments, losing this kind of income is not a bad thing.
The banking sectors are becoming obsolete and parasitic, a cleansing process is long overdue.
For governments, Bitcoin is like bitter pills, good to your health, but hard to swallow.
It seems we are in different paradigms. In your paradigm, the state is people's servant. In mine, the state is people's parasite. You beleive that state strives to benefit us. In mine, it doesn't care about us and does good things only when forced to it.