Doesn't seem that Chewie's description matches your diagnosis. There is more than just nationality at play, otherwise the IT Indians that he describes, and the individuals that tgrayson talks about, and the numerous Indian nationals that I know, would also fit into the mold of the students that you describe.
More than just nationality in play here. The factors, whatever they may be, tend towards stacking a whole bunch of similar individuals into your (and others) flight school. Those factors are greater than just what country the students come from.
I haven't a clue what those factors are, but I recognize that tgrayson has also seen the incongruous descriptions of Indians at flight schools versus Indians in other walks of life here in the US. It would be an interesting study to determine what those factors are, don't you think?
(edit to add)
Chewie, I think you see what tgrayson is trying to say. Many of the posts here appeared to be saying "because I have experienced these bad things with all of the Indian students, it must be because they are Indian". Some others of us on the other hand are saying "that's interesting, we have experience with Indians outside of the flight training environment and have not had the same experience. Maybe the *cause* of the problem is not simply becuase they are Indian".
I hope people can see the difference there. Nobody is arguing that you guys haven't experienced what you've experienced. That would be kind of silly, don't you think? We are just standing at a little further distance and saying "we see some other data points that point towards causes different than just nationality".
<shrug>