Whose to say that the work they are already doing isn't creating value? And why is only one subset of a person's efforts consider something value creation if it

Whose to say that the work they are already doing isn't creating value? And why is only one subset of a person's efforts consider something value creation if it meets certain check boxes, but other ways of using one's time isn't consider creating value. People pay for sex around the world. People are exchanging value for it. So it is apparently something worthy of value. I mean that is how money works right? When I give you money, we are in an exchange where value is being transferred because there is obviously something of worth involved.