Yep. Since OP mentions working as IT consultant, I can easily see how that field being dominated by IT shops that merely checkbox one or more of H1B critireas. I can see how his/her perspective is colored.

But if you make visa program too punitive, then folks will simply chose not to come. A person in their 30-40s, want stability so as they can raise their kids, have a place to call home and not be on a perpetual cycle of anxiety.

In my mind, this will disincentivize folks who have most to contribute to US economy. I don't know much about China but for folks who are really good, salaries in India is already pretty high and closer to US salaries and will have fewer reasons to immigrate.