Is sporadic homosexuality a selection advantage?

Robin is currently interested in evolutionary psychology, and came across an interesting idea: The hordes with homos were better off in evolution: if a predator came and wanted to eat babies, they were protected not only by their parents and grandparents, but also by the gays: they didn’t have children to protect themselves – the other members of the hordes did. The hordes with homosexuals thus had a selection advantage: more offspring survived.

That women lose their fertility in mid-life, by the way: while the daughters continued to have sex, their mothers looked after the grandchildren. “With all other types of mammals, however, the fertility of the females lasts a lifetime!

Even at the risk of breaking the heart of his male admirers: Robin is straight.