now i wish someone topples 1400 old practice of sunnis persecuting shias ahmediyas sufis etc . all non sunni muslims are urged to leave islam as fast as they can, many are aleady doing so . prime example is mark gabriel who was a teacher at islams highest seat of learning ie al azhar university cairo and he left islam . if a person with such a deep knowledge of islam finds it horrible enough to leave it, all lesser knowledgeable muslims should do the same