You're right that this is a possibility, and it's probably true in some cases. But there's also research that shows that women in the workplace often act less aggressive than men because they have a justified belief that if they didn't, they'd be viewed negatively and it would work out to their disadvantage.
Imitating their behavior won't give women their status, but not imitating their behavior might prevent women from obtaining that status.
Applying the obligatory car analogy, to drive somewhere you have to both release the brake and press the accelerator. Adopting speech patterns of the group you wish to join goes toward releasing the brake.