I think that it is important that we not bog down in the issue of the motives of the perpetrator. The whole perpetrator issue is the sort of thing we see all the time in the treatment of child moleters. Eileen Right on. Pedophilia is a VERY GOOD example.
Misery loves company.
The GM issue is probably much more Freudian. It's more likely to do with reducing the child as a threat to the father, as a lover to the mother. On the part of the mother it has to do with the child as a potential lover. It's an incest thing. BTW he was a Jew.