Parasitic birds like cowbirds and cuckoos do not respect other bird families. They lay their eggs in other bird nests and some will even push out the parents’eggs. In the same way, cowbird babies will push the eggs and the babies of other birds out of the nest so that they alone can benefit.
Humans do similar things. Some will break up a family so that they can have a child’s mother or father. There are some women that will take a child’s father away from his family. There are some men that will abandon their children for another woman. There are some men that will marry a divorced woman so that he can become her heir. In many cases the children of the second family will desire to kill or eliminate the children of the first family for their benefit. Do you have parasites living in your house and in your family?