No one is hero worshipping anyone.  He is not the greatest influence, but one of the greats.  No one is "the greatest" (well, except for Christ and the Scriptures).  Do you know the history of his thought on the Donatist persecutions?  The church never accepted all of Augustine's theories about things.  The Confessions, addressed as a prayer to God, can hardly be thought of as narcissistic.  Who refers to A. as "the father of the inquisition?"