One more important aspect to consider, the biggest obstacle to global bitcoin adoption is the hesitation of American companies to fully support bitcoins.
No. I used to work for an American company, and I asked them to pay me with
BTC. They replied they couldn't do that so I stopped working for American companies and that was it. There's a whole world outside the US!
I believe it's worth considering that widespread American bitcoin adoption currently represents the most significant unrealized plateau in bitcoin's evolving legitimacy on the world stage