Yes, the example is inconclusive, just as the varying heights of my mother and aunts, cousins and daughters tells us nothing about “evolution.”
In my opinion - which is pretty much as good as anyone else’s judgment on the subject - homosexuality has environmental causes. Therefore, the existence of the tendency or behavior is not a factor in the genetic development of the human species.
What a blasphemous statement! :)
Leftists VEHEMENTLY assert that homos are “born that way”.
It’s actually necessary for them to promote their agenda.