My bet is the guy has hit a wall on his genealogy like I did with mine, so now he’s bitter about it.
Hitting a wall in genealogy is one of most frustrating things that can happen.
One case of it I heard about was told to me by a honest woman with a straight face, I have no reason to doubt it.
Her grandmother had a sister who was never married.
The sister bore 10 children, each by a different father.
The term Wood's Colt applied to all the children.
This occurred in the days before birth certificates.