I think a fairer comparison in entertainment would be sport. On paper it doesn’t produce anything to better humanity, there’s a ridiculous amount of fuel used by teams and fans to travel especially when it comes to something like a World Cup because it’s on a global scale.
In reality, the world absolutely needs it because that’s what people use to entertain themselves. People can’t be mindless drones fucking about; they won’t just read books all the time or go camping every day. There’s something primal that just comes out when it comes to sport and most people can’t live without it.