The Baal Shem Tov said: for every light there is a darkness, for the Satan says upon seeing the great light emanating from a Tzaddik (holy selfless person) "You have robbed me" so to counteract the light, God sends down a fake, phony and fraud, like Rabbi Shach, solely concerned with his or her own ego, and delusions of granduer, this nutcase makes fun of the Holy man / woman and then there is free- choice