I have a bachelor's degree in computer science. I probably learned some topics better than I would have on my own, thanks to being forced to dig deeper for the class. But I was an avid self-studier of computer science, and I learned a whole lot on my own. For the amount of computer science knowledge I need to do my real world work so far, I'm not convinced getting the formal education made a noticeable difference.

That said, I really appreciate all of the other topics I learned in more breadth and/or depth while in college. I learned far more about psychology, linguistics, literature, history, etc., than I would have any time soon on my own. I enjoy reading, and enjoy learning a wide variety of topics, but I tend to hyperfocus on what I feel interested in at the time. I doubt I would have bothered to learn anything about Russian culture or listened to recordings of Jelly Roll Morton if I hadn't been required to for course credit... and I feel better about myself for having learned these things.