I can't say what I would or wouldn't do had circumstances in my life been different. I can easily see that many women would have no issue becoming a prostitute, selling their bodies to old men because they liked the money and had no issue having sex for it. Why else would beautiful young women marry really old rich guys? (Yes, I realize this is a stereotype, but it is one for a reason.) This doesn't really affect their self-esteem because they see no issue with having sex. It is just sex, just a job to them.
You cannot prove that every prostitute, of every kind, has their self-esteem damaged because of their job. I can prove that every single person who cuts out their perfectly healthy eye will have their vision/body permanently damaged by that act. Personally, I'm willing to bet that "paid escorts" have no issues with self-esteem or what they are doing. They probably look at it as a job that pays a lot of money.