South Asian is not "reasonable" it is pretty much racist. We white people could not be bothered with actually noticing the difference between Pakistan and India is the reason.
> Lingayats from Vaishnavites
This tells me you are probably some kind of humanities graduate from some murican university ?
I'm Indian-American, as I stated above, and the list of subcategories are my own ethnic taxonomy.
I'm not sure what part of the Lingayat distinction bothers you. My grandparents would characterize it as "Lingayat" vs "Brahmina"; would you have preferred that framing?
> Lingayats from Vaishnavites
This tells me you are probably some kind of humanities graduate from some murican university ?