There are areas where there are no facts, only studies which strive to prove the agenda of the people who gave money for the study. This appears to be one of them.
And if they don't have the 'skills' because they have been trafficked and abused, that's not a problem for you?
And if they don't have the skills (for whatever reason) and porn was the least-bad option among even more distasteful choices, do you seriously thing the porn-star will just get a job as an auto mechanic?
No problem for you?