Fox is center to left. The late Roger Ailes made that clear back in 2011 when he announced the “course correction” and hired people like Chris Wallace.
When I say self-nullifying, I mean when it comes to assertion of rights of people, sovereignty of nations and the like. The UN would dearly like the power to steamroll those at will, as the left in the US would see them have.
The left always saw the UN as the template for one-world government, as Goal #11 of the 45 communist goals for the USA illustrates.