Which isn’t to say that we should prevent it in our own lives today, because we do live in a society. But I think it’s worth reflecting on how the structure of today’s society prevents the formation of larger kin groups.

To the child it feels less sad because the parent is basically a sort of captor, who is implicitly forced to mold the child to the behaviors required by society and the child generally holds some level of grudge, often subconscious, against the parent for the actions that are taken to do this to them (such as forcing them to live inside a box and suppress a large variety of natural instincts from early childhood on, among other things).