I usually only have time to check the most upvoted submissions and only clicked the link by accident. I think it’s useful to have an understanding of how OS kernels carry out fundamental tasks such as scheduling and memory management. It’s a very good introduction to the subject of scheduling but I’d need to brush up on my C to get the full benefit of the article.
I particularly like how the article builds from the ground-up, with examples on the way. I think starting with the simple things first is always a good idea.