Source: Sri Bhaktisiddhanta Vaibhava

Even while executing his vow, Śrī Siddhānta Sarasvatī occasionally went outside Māyāpur for preaching, especially to attack the apa-sampradāyas for misleading people with their bogus interpretations and practices. He particularly agitated the smārta-brāhmaṇas and jata-gosanis (caste Goswamis) by insisting that the position of a brāhmaṇa and post of guru are not hereditary professions. Such assertions were intolerable to the smārta-brāhmaṇas and jata-gosanis, who were keeping a stranglehold on Hinduism in Bengal by maintaining that only persons born into families of supposed brahminical lineage could be counted