OTL Soviet Union struggled hard with soft power. Being able to export our culture effectively should be a positive change for the USSR.This sounds excellent, our own Hollywood (or in this case, Yaltawood). Making movies with Socialist themes and cutting edge equipment and techniques thanks to our many great filmmakers. It would also be a big boost to our economy if we had more jobs that don't require the heavy industrial equipment that would be needed for other industries, if we built workshops and studios to create cameras and film.
Also, as mentioned later in the thread it would also be a good boost to our recognition internationally if we were able to dub in various languages, hire diverse casts and export our movies to various trade union halls and movie theatres abroad.