Did you actually read the article? It doesn’t even address whether or not China has an adversarial attitude, it just talks about economic reality.
If you are acting like politics and economics are wholly separate from each other, think again. In communism especially, they are one and the same. Therefore, China's adversarial attitude cannot but be discussed when it comes to their economics, and no, China will not ever move to a more open society without being forced to do so from the outside—by military force.
Did you actually read the article? It doesn’t even address whether or not China has an adversarial attitude, it just talks about economic reality