It gives you more parts to look at. And it shows women enjoying sex outside the presense of some guy with a big wallet.
Women don't get off on watching men - we think it's just about the nastiest thing we can think of.
Actually a lot of women do. Or at least they like reading about it. Do a search for "slash fiction," most of it's written by women.
Plenty of women enjoy sex outside the presense of some guy with a big wallet. That doesn't necessarily mean that it's with women.