If Sai Baba himself is writing his story and the author is 'merely a pretext,' why was it so important for the author to dissolve his ego first?

The dissolution of the author's ego was presented as the essential prerequisite for Sai Baba's divine intervention in the writing process. In Chapter 2, Sai Baba's promise of assistance is conditional: "He should dissolve his ego and surrender it at my feet. To one who acts thus in life, I give full assistance." Only when the ego is gone can the divine take its place. Sai clarifies this by saying, "When the ego is dissolved, no trace of it remains. Then I myself shall enter with 'I-ness' and write with my own hand." The author needed to become a pure vessel. An active ego, which the author admits was prone to cynicism and argumentation, would have distorted the narrative with "bad thoughts and false logic," preventing the story from fulfilling its purpose of inspiring faith and devotion.