Xi Zhongxun was purged by the Communist Party he served and went on to help reform Chinese politics. His son is the most authoritarian leader since Mao.
Protecting the borders from espionage is essential. It’s something else to deny students because they are Chinese and hope to pursue a STEM degree in the United States.
The technological success that has captured the attention of many in the United States is one aspect of the Chinese economy. There’s another, gloomy one.