As someone who had a kid, this is both obvious and a fun confirmation evidence. One of the things people forget is nature is not perfect and doesn't always wor

As someone who had a kid, this is both obvious and a fun confirmation evidence. One of the things people forget is nature is not perfect and doesn't always work. Sometimes babies don't figure out breastfeeding and die. That's why formula was, in theory, invented. (maybe something about the industrial revolution which required mom's to be away from their children)