Same old fake caste tropes, article just smells of academic nonsense. The story of Keralas success could be applied to any state in India due to recent government policies, even Gujarat is doing better.
you may be right that the economic development of Kerala in the last 2-3 decades could be because of India's overall economic development. But note that Kerala is consistently in the lead to many indian states, including Gujarat, in terms of Human Development Index. Gujarat continues to lag on HDI despite being historically economically richer than Kerala:
