For instance in Africa, children are considered to be symbolic of wealth, so polygamy is an appealing lifestyle because of how quickly it allows families to grow.
They left out how African Moslems mutilate the genitals of baby girls with “female circumcision.”
All cultures are not of equal value.
Some parents in West Africa are selling their children into slavery to work on plantations.
So in a sense, many children ARE a symbol of wealth on that continent.