This behavior goes across religion, race (well.. video game race i.e. console preference) as well as gender. From what I've seen people tend to just brush it off unless it gets really out of hand. If you believe it is, then creating a thread like this is a good start for positive construction, or just leaving the website (which would be unfortunate).
It's a byproduct of the demographics that make up the core community. Just as with any forum or any society.