What the kid is proving to the world is that China has no influence

Watching ABC's High Alert in Korea showing American and South Korea defenses against North Korea makes China's lack of action toward taking out the kid in the neighborhood playing with nuclear matchsticks with an invasion and regime change inexplicable.  He draws the best American defense systems into the heart of their sphere of influence. What the kid is proving to the world is that China has no influence since its an existential threat to them, not us, should there be a nuclear exchange in the region.