Cute. All kidding aside, though, functional programming is worth the effort to learn, and it doesn't actually take 15 years. The payoff is at the end of the article:
"It’s quite natural to program in Haskell by building a declarative model of your domain data, writing pure functions over that data, and interacting with the real world at the program’s boundaries. That’s my favorite way to work, Haskell or not."
Haskell can be intimidating, though, so I would recommend F# for most beginners. It supports OOP and doesn't require every single function to be pure, so the learning curve is less intense, but you end up absorbing the same lesson as above.
"It’s quite natural to program in Haskell by building a declarative model of your domain data, writing pure functions over that data, and interacting with the real world at the program’s boundaries. That’s my favorite way to work, Haskell or not."
Haskell can be intimidating, though, so I would recommend F# for most beginners. It supports OOP and doesn't require every single function to be pure, so the learning curve is less intense, but you end up absorbing the same lesson as above.