He got a good offer from his home country. Isn't that a good thing that he gets to go home to his country and contribute there? he fact they can spare $250k for him to buy a house and $1M in grant money says a lot about China.
Having been in academia for a bit, it seemed there was an oversupply of PhD in some fields. There are just not going to be enough university teaching positions and not enough Googles or Teslas or other companies needing that many employees with such advanced degrees.
He mentions it's Trump's fault. Let's criticize Trump but not sure if attaching it to this particular case makes it productive. I think they meant this H1-B overhaul
http://www.npr.org/2017/04/18/524569185/trumps-latest-execut...
Another Axios reporter seems to think the update to H1-B overhaul is mainly targeted at abuse by India-based staffing companies like Tata, Wipro and HCL
https://www.axios.com/changing-h-1b-rules-computer-programme...