That's true. It's also important to point out that a lot of what runs neural networks is just multiplying a bunch of numbers by each other and getting the "best

That's true. It's also important to point out that a lot of what runs neural networks is just multiplying a bunch of numbers by each other and getting the "best fit." It's all matrix math. I was surprised how straightforward it was after taking Andrew Ng's coursera course, since ML is considered to be so advanced and cutting edge.