Because repression is a thing of the past in China? They continue to persecute investors and business executives who get too successful and to repress academic work they find politically objectionable. The communist party continues to exercise control over all intellectual endeavors.

And don't think it doesn't matter for jet engines. This article gets into how the open acknowledgment and dissection of engine failure in the West promotes quality and that China has clearly not adopted this culture. Of course not.

They'll catch up in the same way the Soviet Union used to - at unsustainable cost and on the way to falling behind yet again.