"A low trust country" is maybe not the most elegant way of phrasing it. But China does not have the rule of law and long-term stability in politics, policies and enforcing contractual agreements, established historically or by implication, to nearly the same degree as most Western countries. The trend of rich Chinese investing in property in the West demonstrates that Chinese citizens are also well aware of this, and are hedging their bets.

This is an often underappreciated point regarding the industrial and innovative ability of Western society. It remains to be seen whether it's a precondition to being the most powerful nation in the world in terms of technological development and industrial capability. (In the same way as the question of democracy/freedom of speech in general being such a precondition).