Not at all. Most Indians won't buy curry powder. They will buy the individual spices and mix and match them according to the requirements of the dish they are preparing. Curry powder is mostly bought by Americans who want to "shop ethnic". India is just catering to this demand. I have no doubt the product is a bit better than Schilling's, but that doesn't make it authentic.
I know some people in the grocery business. It would be child's play for me to query whether the customers really live by your dictates. Frankly, I've never seen many non-Indian "Americans" in the stores. There's no way they could be buying up all this stock.
Where are you judging this from?
OK, I see you give NYC as your location. What, Jackson Heights? Maybe the preferences of the immigrants there doesn't match elsewhere. Perhaps the importers provide access to fresh ingredients that are too expensive out in the hinterland.
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I seriously doubt my NRI neighbors fly to New York to get whole spices to bring back and grind.