How do producers and authors make money off of inspirational movies and stories

Authors and Producers make money off of inspirational movies and or stories by pure luck. By knowing someone. Hence most jobs one receives is more likely due to someone they know. Authors that make money off their writings are often by pure genius luck. Movies cost money to make. Hence money makes our world turn so without money, people, and a good marketing strategy the only way one of the two or both could make money of their stories is to have the proper means to get it in the world's view and hope you make more selling it than you did in making it.