Too Long; Didn’t Read
The USA and Russia could unite to stall the growth of Bitcoin with a series of bans and legal actions. But this might birth a group of ardent cypherpunks from those frustrated Bitcoiners. These could hit back by counter-banning Russia and the USA!
With Bitcoin around, moves like QE could facilitate the flow of rubles or dollars into Bitcoin, which governments don’t want. But with too much oppression of Bitcoin, bitcoins could flow away from governments. Which they also don’t want. But oh well.