I don't know the answer, but it seems like the parent might have it backwards. A handful of outsourcing companies control a massively disproportionate number of H-1Bs, and lobby heavily on expanding H-1B policy. They can place the US based H-1Bs to complement their local teams back in India.

I'm not sure I understand your comment, but I do know that you must be oversimplifying the comment you're replying to.