I think calling the article terrible is a little harsh. It's clearly meant for people just starting with programming, and it utilizes a teaching technique that

I think calling the article terrible is a little harsh. It's clearly meant for people just starting with programming, and it utilizes a teaching technique that can be very powerful. It isn't meant to teach you how to do things in the best possible way, but to artificially constrain you so that you approach the techniques you know from many different angles to reach a better understanding.