I wouldn't worry about her or anyone else. She might have messed her life up or not. Who knows. It's what we do with our own lives that matters.
Yes, there are some 'feral' people out there. Not everyone is intellectual enough to see beyond their own needs. Others are. I would say the film 'Idiocracy' is more in keeping with how things could go. Not everyone is a chav.
We are not as evolved a species as we think we are. We are still apes.
I would let her and her belly button do their thing. It's a gut feeling