Look, all I'm saying is that there's no reason for me to not take advantage of the favors some guys are willing to do for me.
You sure are confrontational for someone who claims to be a pacifist.
There's a tremendous reason to not take advantage of your looks. You looks will fade and then what? Will you no longer be able to accomplish anything? It also cheapens any argument you might have about being treated fairly in the workplace. Now...it's fine if you want your boobs on display all the time. That's cool. The issue is "selective boobage." When anyone selectively uses their looks (looks, not heritage) to gain favor or an advantage they may, in fact, gain that advantage, but they then malign the people who are attempting to show good work. Have they been rewarded for the work effort or their physical appearance? Is there any way to tell? In your case specifically, you, being a woman, and using your womanhood to gain favors with your male coworkers, cheapen your work. It's your coworkers fault, really, but actively engaging in the performance makes you liable as well.
PS - Accentuate the "you."
I'm not convinced. What's to say attractive physical features are any less an asset which "will fade" than intellect, sharpness, wit, or, for that matter, one's physical strength in a heavy labor field. The idea that they will someday 'be gone' and no longer benefit her doesn't convince me by itself she shouldn't be using them ('them' being physical advantages').
Not to mention, everyone uses their looks in jobs. You'll find an unusually number of tall, good-looking people in a lot of positions higher up in corporate ladders. Studies have been done to death about the differences people who are 'good looking' experience versus those who are socially 'not so good looking'.
So maybe you're going for the idea that because she CHOOSES to use it, and it's not just an unconscious twirl of her hair or a low cut blouse, that then it's wrong. I'm not convinced here, either. If appearances are always used and always judged, asking her to restrict herself from something that is not uncomfortable to her might putting her at an unfair DISadvantage. After all, it's not as though she's breaking sexual harassment or contact issues by doing it, is she? I'm not sure I see a big difference between it and the girl who unconsciously chooses to wear a slightly shorter skirt to an interview.
The last place I would see a good jump to would be some argument that it's not 'job related'. Her looks don't directly impact her job performance, so they shouldn't be counted. Well, neither does that witty joke you tell, or your choice of drinks, or table manners, or how good looking your suit is - but they're all measured, aren't they?
I find this to be an interesting discussion. And no, I'm not suggesting women have to, or even should, use their attractiveness for gain - I'm just saying I'm not sure I'm convinced it's wrong. Though I'm open to opinions.