In engineering you ultimately have to build stuff. Over, and over, and over again. You'll mess it up a lot at first, and then one day you'll realize that you haven't.
China is not stuck in 1965 trying to make an EV out of a saucepan and a backyard forge. They learn, and they keep trying. They have a domestic market that their government allows to be used as a test bed for everything they are doing, which sounds more coercive than it really is, especially given the fierce Sino-centric patriotism they have.
If Xi can last another 20 years without a palace coup, or manage a smooth transition of power that does not whipsaw policy, the West is in serious trouble.