I couldn't say the same thing about every woman in the room. I saw over-grown hair styles, ill-fitting clothing, too-long nails and other details that made some of the women look less impressive. They probably had knowledge and competence equal to the first woman, but it wasn't obvious by how they presented themselves.
The differences in these women is in both their clothing and the little things. Every detail counts, especially in a business setting. Even if you don' t notice the small things, when they are combined to present an overall image, they send a clear message--good or bad.
Women who don't update their style in even the smallest ways appear to be behind the times and might cause others to question their abilities or relevance in the job market.