Personally as a long-time attendee and sometime leader of group rides, open to whoever turned up, and not being a racer but a touring ambling sociable rider, I always preferred rides with a mix of men and women. And since the rides were open to whoever turned up they usually were a mixture. In all my years of going on/leading such rides I can honestly say that I don't recall ever coming across what I would call a "gender issue", or anyone of whatever gender complaining that they weren't catered for equally and with empathy. But then these rides were in fresh air, not on the internet of course.
If any "eyeing up" went on, it also worked both ways.
which ditto is also entirely normal natural.
In a non internet kinda way.