I think a good person should leave a culture that is mostly populated with evil malicious filth.
This "profession" exists in other places.
Some industries or businesses or branches of human activity attract certain types of people.
You can leave Wall Street to set up a brokerage or investment firm somewhere else, but eventually the corrupt types will follow you there.
You can set up a 100% heterosexual theater troupe in a 100% heterosexual city, but sooner or later, the gays will find you.
Same thing with motion pictures, modelling, etc. Sleazy guys will always find a way in.
Well there is film making being done all over the place. But financing and resources are focused in one place.