I was already expecting he'd talk about favoring composition over inheritance 1/3 the way into the article... which he finally does in the 40 minute+ videos aft

I was already expecting he'd talk about favoring composition over inheritance 1/3 the way into the article... which he finally does in the 40 minute+ videos after the end of the whole article. There're a lot more problems with JavaScript than that. It's not even the most important problem IMHO.