Of course, Indian immigrants and illegal aliens cluster heavily in technical professions and are among the most abundant holders of H-1B visas. So we'll leave it to VDARE's Rob Sanchez (see Rob's blog entries here) to comment on that aspect of this apparently burgeoning phenomenon.
What leapt off the page at me was a passage near the end of the article describing the dynamics of "illegal Indians" who aren't on H-1Bs:
Another source is relatives from India who arrive for a visit on a tourist visa and never go home.Of course, once 100 million (say) have come, the remaining 700 million may decide things don't look so attractive over here any more."America is a very attractive country; everybody who comes here wants to stay," said Shah Peerally, a Silicon Valley immigration lawyer. "I can tell you right now, there are nearly 1 billion people in India, of which maybe 800 million want to come here."