In the long term, it is very destructive to allow large egos expand at the expense of the schools central focus. The institution and its point of view must always take precedence over any individual nomatter how famous or exalted. These Experts tend to believe their own preaching, and this tends to diminish their capacity to look critically at truth. Truth, in the absolute sense of the word, can not be known. One can only know some aspect of what is true or not true.
Truth is born of experience, and tested over time.
ESI comes up against this axiom with every class it teaches, and is affected in some degree by the constant reminder that there is still more to learn and pass on to its students.