They just knocked spock. Better to follow advice from non parents who never had a job. He gave good advice on diseases and he DID advocate spanking, but not knocking noses bloody in the back of the hall. Speaker just said to seek a doctor for medical issues then thee wt comment said not to. 50 years ago we did not have an internet to look up rashes.
Noahs sons didnt have children before the flood but the bible does not say why. Could be low sperm count from trying too much, wrong hole, or a child bride. Or story massaged to fit