She was hardly 'fresh out of school', she was in the middle of doing a PhD. And yes, I do think it's sad that anyone has to make a living working as a prostitute, if that makes me some sort of Victorian prude then so be it.
It was by choice. Now what, if anything, does this say about what we do? Contrary to common arguments surrounding the topic of women in computing, this woman is definitely not averse to science / technology. She's got as much geek in her than any of the people on this site, and yet she preferred being a callgirl to a programmer.