I’m not against those who work for sex, but the idea to earn for a living doesn’t seem nice. IMO, sex should be for 2 people (or more for others who prefer polyamory) who wants to be intimate/romantic with each other. My point is money should not be the purpose.
It is also called the world’s oldest business. They have done it long before I could ever judge it, and they will continue afterwards, whatever my judgement may be.