It's not "just entertainment". We want extraordinary athletes and musicians to inspire people and show them what humans are capable of. Extraordinary prostitutes are generally not inspiring people in the way that most people probably would like society to move. It's fine to place different amounts of cultural value on these things and not remain neutral about the worth of all possible human endeavors.

When someone describes themselves as an "influencer", it is entirely appropriate to ask what sort of influence they're having, and whether we want that.

+1. While supreme court defines the likes of porn as freedom of expression, it's a different thing for a country to want different kinds of professions to be more common through its immigration system.