Sorry to be naïve and ignorant here, but I don’t fully understand the correlation.
So bitcoin in self custody doesn’t have boundaries however it certainly is not currently used for any international trade. International trade import export agreements are unbelievably complex and would be difficult to settle via bitcoin.
With respect to tears being a form of currency control, it does theoretically suck some US liquidity out of foreign nations, coffers in theory, thereby strengthening the dollar. Which only encourage more exporting from said nation, whose currency is weakening against the dollar.
Help me out with this logic