And that article does show how it could map onto humans. For some reason I had been under the impression that early hominids did not necessarily have the females-as-strangers setup.
It’s interesting to compare with elephants, who are matriarchal. The “Alice” of an asian elephant herd will often stop having kids (though, she biologically still can) so her daughters can have some, even though unlike Charlotte, her daughters are related to her so theoreticly it’s more of a Bob/Daniel situation.