The idea is that in the not-too-distant-future, differentiable programming will become much more mainstream. c.f. https://medium.com/@karpathy/software-2-0-a64152b37c35
That's an...interesting statement, considering that neural networks are nearly as old as software itself. The original Pitts-McCulloch paper was published in 1943. Active use of them has certainly been ongoing longer than that blog author has been alive.