If each new pair had a child, you'd have a long chain of siblings. Eventually a child would have a sibling older than their parents.

After euthanizing one of my chickens on Friday I played a bunch of crypt custodian, and then some timberborn

This is wild, and and important party of the plot for orphan black.

This is what I came here to say! It generates zero wealth, and only serves to move wealth from one person to another.