How did Sai Baba's behavior demonstrate his transcendence of caste and ritual purity?

Sai Baba's actions clearly showed that he was beyond the constraints of caste and ritual purity, as detailed in Chapter 7. A powerful example is that the most respected Brahmins and Agnihotris (keepers of the sacred fire) would abandon their pride in ritual purity and prostrate before Him. The text emphasizes that for someone like Baba, who had no ego regarding the body, caste did not matter in the slightest. His detachment from social norms was so profound that his mind felt no disgust even if a dog were to put its mouth into the food, an act that would be considered highly impure by many. This illustrates his view that all beings were the same and distinctions of birth were meaningless.