What they bring back is knowledge and expertise. China is pursuing a strategy with two forks. Theft to catch up, and education to secure a future. It's unwise

What they bring back is knowledge and expertise. China is pursuing a strategy with two forks. Theft to catch up, and education to secure a future. It's unwise to treat so large a country as only capable of doing one thing at a time. Similarly, it's unwise to assume that only western values can produce useful innovative outcomes. Cuba is nobody's idea of a free society, but they've done a huge amount of groundbreaking medical research and development.