What kind of group would find this is a good idea? We know the answer to that question. The answer is that only a group of deprived, chaotic, and enraged human beings would subject its children to such images.
One of the oldest surviving stories in human history is about the birth of murder. In Hebrew (and later Christian) scriptures, the story of two brothers, Cain and Abel, teaches us about the mythic first atrocity: brother killing brother.