Actually, he's parroting a cultural stereotype. Yes, there are great workers that don't fit the stereotype, but the stereotype is common enough for it to actually be a stereotype.
Have I known workers form India that were awesome? Hell, yes. Have I known workers from India that were patriarchal and biased toward other workers from India because they came from a lower caste than they did? Also, unfortunately, yes.
Its a bit like saying that being in the southern United States in the 50s determined that you were racist. Were there people that weren't racist? Absolutely. Was it common enough that it was a problem? Also absolutely.