It's all become very cost-benefit, and while the discussion is a reasonable one to have, most of our entrepreneurship comes from educational environments and a lot of the benefits of education can't be directly measured.
I mean, there is a reason Tesla had to hire a Swedish company to do the interior design of their cars and that Scandinavian design is increasingly more influential in to world. We're not born better artists/designers, but we do have a nurturing environment for those sort of things to grow and a way for the designers to form easy partnerships with business degrees to be successful.
I did project management and later general management autodidactic for a while. It worked perfectly fine, but after taking a degree in management I find myself wondering how the hell it ever worked.
Gut feeling, a clever mind and a willingness to learn on your own will get you a long way, and you can absolutely succeed without education. But academia not only teaches you tested methods it also teaches you why you use them and how to determine which ones are best suited for a given situation.