... governments hate to lose control..
Yep - the people that they are supposed to represent don't like losing control too much either.
Bitcoin will become a political issue - that is, decentralised global peer to peer cash will become a political issue. Being as how no-one is controlling bitcoin, it seems like a difficult argument for TPTB to win.
Question is, which governments will lose the least by regulating favourably for bitcoin ?
Agreed: this will become a high profile topic in the long run if people start using it on a grand scale. But political support for unregulated crypto is not likely, at least so it seems. There is too much at stake in that sense for governments to just let it slip.
I think all governments will feel threathened to some extent, although there will be differences in how this space gets regulated. I like to compare it to taxation: plenty of nations are cracking down on tax evasion, yet there are still tax havens. But will those tax havens still be there 20-30 years from now? I doubt it.