TFA says this: > “widespread open defecation in rural India is not attributable to relative material or educational deprivation, but rather to beliefs, values

TFA says this: > “widespread open defecation in rural India is not attributable to relative material or educational deprivation, but rather to beliefs, values, and norms about purity, pollution, caste and untouchability that cause people to reject affordable latrines.” Would someone kindly explain this to me?