Such a service would be a lawsuit engine, the social pushback from the female population towards the creators of such a service would significant, and then the

Such a service would be a lawsuit engine, the social pushback from the female population towards the creators of such a service would significant, and then the public impression of the technology would be "tainted with porn" if ever attempted with brand advertising. Meanwhile, simply the process of inserting consumers in the trailer of any Marvel superhero film and charging $1 for you own copy would make tens of millions. Repeat with any highly desirable fantasy franchise. That is the most obvious application. Actor replacement with ordinary people has a huge number of positive to society applications. Porn is not one of them.