But she is a role model for a lot of women. Look at all the new talent coming into the industry and treating it as a "career". Parcelling out the sex acts to drive up the price. Expecting to cash in, then cross over to semi-legitimate mainstream status.
There is nothing really new about this. Look at Ginger Lynn's career path. If she had come up in 1993, she would have done the same thing, and would still have failed to take that last step where she becomes accepted.
I suspect that this is also part of what is driving Jenna to her current state. The divorce, and potentially losing a large chunk of her empire must hurt, but she has also hit the glass ceiling of respectability. People buy her book and invite her to B-list red carpet events, but she is never going to get her own ABC sitcom or starring role in a "legitimate" movie - and she wouldn't get one even if she could act.
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[The movie business] is a cruel and shallow money trench, a long plastic hallway where thieves and pimps run free, and good men die like dogs. There is also a negative side. - Hunter S. Thompson