Complex systems evolve by learning. They grow more complex. Same for the brain as for organizations and societies.

China is a redistribute centralist State. It has to be: a narrow coastal region is hyper wealthy and to maintain territorial integrity it requires a strong government to tax there and spend elsewhere. Hence the infrastructure and construction boom. The high debt is a feature of the system, these are State backed enterprises that live on subsidy.

The upshot is this limits complexity. ASML is in NL for a reason. NL is a feature of Western Europe decentralization. Arguably, Europe conquered the world because its internal fragmentation fostered a rapid gain in complexity.

The US has cemented this into its own constitution and political culture. All talks about "Europe innovation" and "China catching up" are moot. Europe became a colony of the US post WWII and the integration needed to foster internal peace capped its capacity to grow complex. The US is now the most complex society on Earth and no other region can cope with that much complexity on that scale. Both Russia and China are held together by trading complexity off centrality.