Unfortunately that is a rumor that has just spread, which I feel discourages women from applying because they have a "why even bother" mentality towards it, understandably so.
In my years here I haven't seen one female walk in to apply. Another possibly unknown bit of information is there are more women than men here, at least from my observation. The majority of the fixed wing pilots are women, im pretty sure even the chief pilot on that side is also. I'm not as in tune with their operations so don't quote me on that. But I do know we just hired on even more women over there. Almost all of the staff is female also, from dispatch to mechanics to reservations etc.
Any pilot who walks through the doors who is qualified for the position has a equal shot regardless of whats between their legs. Problem is as stated above, very few if any bother to stop in.