So the Chinese person had better contacts in China? Also, apparently it's impossible to know what they communicated because they used some weird technology cal

So the Chinese person had better contacts in China? Also, apparently it's impossible to know what they communicated because they used some weird technology called web based emails written in some impossible to decrypt code known as Mandarin Chinese. Look, if you're determined to see China as the enemy, and can't see that at least some share of the failings falls on the US too, that's up to you. Looking at this from outside both of those countries, I can say that if I was a wealthy, well educated, and well connected Chinese person living in the US any time in the last ten years or so, I'd be thinking strongly about going home too, and drawing on whatever contacts I had to make that happen. You shared an example of a couple of people who did so illegally, but a far larger number of people are doing so using plain old fashioned and totally legal business networking. If a recruiter calls from back home and says "hey, we're starting up an exciting new company in Shanghai and we want your expertise", there has to be good reasons to make a person say no. At the moment, the US is burning up all of those good reasons for almost all foreign workers.