If it was their free choice, they wouldn't need to be paid for it, and they could be as selective or as indiscriminate as they like with partner selection and frequency. It's not about anything sacred (unless you consider basic human rights sacred, I guess).
This is feminism 101 stuff; even if you want to take the "choice feminism" side of the debate, you need to learn the basics of radical feminist critiques and positions on the issue.
But don't take my word for it, take former sex workers' word for it: http://www.educating-voices.com
This is feminism 101 stuff; even if you want to take the "choice feminism" side of the debate, you need to learn the basics of radical feminist critiques and positions on the issue.