I'd say coding is really a lot like learning a martial art. You get exercise (brain/body), you can use it to overcome difficulties (formatting complex documents/leg-sweeping a belligerent drunk), and you can develop it into a career if you focus. But really it's just a set of tools that have a wide ranging use. Of course, you also have to practice so you don't get rusty.

I think everyone who has a mind for problem-solving should learn to code. Heck, even people who aren't especially right-brained can use code to be creative and artistic. And sometimes it's just fun, damnit.