This topic is forgetting one famous quote by Rothschild, "Give me control of a nation's money and I care not who makes it's laws".
Therefore the party who would interfere with bitcoin's development is the existing financial order and not governments themselves.
That's more like it. The threat isn't the governments it's the people who control the money. Or maybe they will adopt bitcoin now and the system remains the same with only a few new big players in the game.