Most people wouldn't do what they are doing if they didn't need the money. Even musicians, "... they smile when they are low." Although we all know about exploitation and unfair treatment, we may have difficulties to define it precisely. Karl Marx and many others failed. As I wrote, it must be fought; best ideas win.

Prostitutes, whether feeling bad or not, will often try to hide their profession because they fear to be scolded by Philistines, or pitied, or missionized.