For some women, it’s not a matter of aesthetics, although that’s part of it, but a matter of comfort. As long as we’re being graphic, some labias are very long and women are uncomfortable sitting. They get pinched or form blisters from rubbing. So there’s that.
I don’t really get putting a hymen back. That seems a bit silly. Also, one can have a healthy, happy, sex life without having a G spot orgasm. I don’t think I’d risk surgery for that.
Here’s a really cute and sensitive film about labiaplasty.that I saw a couple months ago.
or here if it doesn’t come up.