The key is that "getting along just fine as is" bit. Those days are numbered. China is taking over as world superpower. That's going to have interesting effects on the USA.
Can we PLEASE stop with the China thing? They own less than 9% of U.S. debt. They do not have any meaningful middle class. They offer nothing in the way influence on the world stage beyond that which they have with a few questionable regimes. China will be a power. Maybe a super power, but they're a long, very long way away from parity with Europe much less United States.
After the last of 16 mounting screws has been removed from an access cover, it will be discovered that the wrong access cover has been removed.