How did Sai Baba's actions and words challenge the preconceived notions of a visiting Yogi, as described in Chapter 23?

Chapter 23 of the Sai Satcharitra details an encounter with a Yogi who had theoretical knowledge of the Yoga Shastras but lacked practical experience. His preconceived notion was that a great spiritual master, a "King of Yogis," would exhibit a certain kind of puritanical behavior. He was therefore shocked and filled with doubt when he saw Sai Baba eating what he perceived as impure food—stale bread and onions. This challenged his rigid understanding of sainthood. As the chapter recounts, Sai Baba shattered this misconception with his omniscient remark: "One who has the strength to digest it may eat onion freely." This statement wasn't just about food; it was a profound teaching that a true master's power is internal and transcends external rules and appearances, a lesson that led the Yogi to surrender his doubts.