Inter-caste marriages reinforce casteist principles in insidious ways when lower caste spouses are forced to curate their lifestyle, food habits, and demeanour to match those of the dominant caste culture.
Caste endogamy is the defining feature of the hierarchical concept of caste and has stayed immutable through time immemorial. This perpetuation of caste supremacy via the concept of purity is primarily preserved today through the institution of marriage—especially arranged marriages.
Organizing the working class without addressing the caste issue is a shrewd way of the privileged caste Communists to pave a way to maintain their grasp over power in the name of proletariats while the marginalized and underprivileged continue to languish in the prison of caste.
When deployed in a cynical, self-serving or naïvely well-intentioned way, identity politics devolves into tokenism where the individual takes precedence over the multitude and mass movements are eschewed for the soaring but empty rhetoric of hope and change.