I am a student still, and haven't been to a ton of births, but over the years - I have seen a few shaved completely, and honestly, it is ALWAYS shocking to me. Personally, I do think it looks "little girl-ish", maybe because I have little girls..?? I have never groomed myself and thought "I should look like a porn girl/stripper/anyone else." I have only ever done it for my and my husbands' pleasure. I didn't even do it the first time thinking that I wanted to look like someone else, or a porn actress or whatever. I did it to please myself and my husband. Personally, I don't enjoy hair (of any kind!) in my mouth, and so I thought it probably isn't the greatest for my spouse either. That's not to say that I shave all the time...I go in spurts I suppose. But still, I'd hate to be thought of as someone wanting to look/act/be like someone that is normally thought of as a derogatory type person.
That said, people of course have the right to choose what they like. I loved the comment about women shaving their underarms and legs! So true! We as women shave our legs and under our arms for societal reasons. Most of us anyway. We just wanted to fit in when we were 13 (or whatever age) - and usually it was that we wanted to fit in with the other girls, we didn't even care what boys thought, and we were handed a razor, and we've been doing it ever since - probably pretty mindlessly at that...considering there is no other reason to shave our body hair. I know men that do it, and women and men think they are strange, but really - they are no stranger than the entire population of women that do it!
Body hair is a personal choice, albeit, driven largely by societal fashion at the time.