I will say it once.
There exists gamers out there who are misogynist pigs. They are horrible people, and I am sorry for anyone (male or female) who has been off-put by their behavior.
That said, using those bad examples of breeding to judge the rest of us males isn't exactly endearing. I have run campaigns with female players, played in campaigns with female players, and I'm pretty sure I could roleplay a female character without her being a cardboard cut-out, or a sex