It's the other (republican) half which is in power every 4 years which makes cooperation on these issues almost impossible, and you can't just ignore the US every 4 years. We need independence, and the US needs to think about where they want to be as a nation in 20 years.
I'm American, an army vet, and proud. Yet, I fail to identify anything other than the US acting in their own self interest since WW2. The list is long, but to name a few, Vietnam, War on terror, mass surveillance network, etc...
People are waxing poetic about an America that never was.
I've noticed this shift both in my professional life and personally. And I'm not talking about just eating up what the media spews in my face, but actual cold, hard and direct consequences I've had to deal with since Trump came into office.