they increased H2/visas by 4 fold.
It is America that wanted to tear down the frontiers for trade based on demand and supply. They called names like protectionist economies and blamed other countries. They offshore all the manufacturing to China. They thought they will maintain technology edge. But slowly that dominance is also eroding. If you are a owner of a private enterprise in USA, you will do everything legally possible to reduce costs. And the new bread of slavary is invented by American firms. That is temporary work visa program. If americans reduce their greed then this issue will be solved.