The "evolved" men often love to think of their future optimistically "advanced" in the future to a point that things such as gender will have no meaning. That God is dead.
A lot of them are fans of Star Trek, some even influenced by Star Trek. Yet, the highly evolved form: Q, has both males and females.
In the end, it is what is more appealing to their minds. And we can never totally abandon the essentials from God's creation.