And having been forced into legal prostitution, they don't report it to the authorities because ...
Are you always so inane?
You think, to use the term loosely, most prostitutes are prostitutes because that’s a preferred career choice, apparently. I know it has more to do with poverty, drugs, abuse, and coercion. Look at nations that were once very poor, like South Korea. Korean women were both forced into it and chose it out of economic need. When Korea’s wealth improved, Korean women stopped doing it. Women from other poor countries are imported to Korea to be prostitutes. I guess you see this as maximizing their freedom, like how you want all drugs to be legal. In fact, it exploits their poverty for sexual gratification. It may be the oldest profession, but the Happy Hooker is a rare breed. That’s logically correct.