I have a company in New York City producing music for commercials, for radio, TV, features, etc. That's how I've been making my living. And now the company is very successful - to the extent that I can afford to come out and play.
Fiction has a unique role in conveying Truth. In fact, only fiction that is Truth with a capital T is worthwhile.
Also, it was a cultural moment that wasn't being represented in terms of women who were successful and had choices they didn't have before. They needed a show that they can watch that they felt like represented them.