"But making movies and books and other forms of unnecessary art still makes hundreds of billions of dollars of revenues every year." Everything else being equal

"But making movies and books and other forms of unnecessary art still makes hundreds of billions of dollars of revenues every year." Everything else being equal, I would not choose these markets. Why? Because these markets are too sexy and too crowded: too much people write games and books out of enthusiasm. (I was one of them.) If you are a game enthusiast, sure create an indie gaming company. But if you somehow can get excited about a business problem which is a pain point for some people, then it is better to choose that imho. I would say: Make something people need, and avoid overcrowded markets where a viable business model became problematic (e.g. free is the default) because of oversupply (like tools for professional developers)