Behind the Mike At some time in our lives all of us have faced the wrath of critics, some justifiable… and others not so much. My grandfather and mentor Eli Mack, Sr. used to say to me “Listen to the criticism of others, but do not support them. There is no such thing as constructive criticism. All criticism is destructive. As often than not, the person doing the criticizing is criticizing the performer and not the performance.” It is impossible to survive in the world without a critic in your life, be it your teacher, your boss, your spouse or even your competition.