Do you feel guilty when you read fiction some times? Do you feel like it’s a frivolous pursuit? Sometimes, I do, because I’d think to myself “might as well watch a TV show”, and I hardly ever watch TV shows because, to me, they’re a waste of time. But damn it, some of these novels are so good and I can’t stop once I started reading them.
I think you have a lot of unconscious biases you’re accepting as fact. Were Van Gogh’s paintings not worthwhile because they weren’t photorealistic? Were the Beatles overrated because they didn’t actually live in a Yellow Submarine? There’s nothing wrong with fiction, and there’s nothing wrong with television either. The quality of an artwork is not determined by its medium.