Actually, if you read the article you would have seen that, in the end, I specifically said that it's possible that they are doing the most important things rig

Actually, if you read the article you would have seen that, in the end, I specifically said that it's possible that they are doing the most important things right (focusing on speed and accessibility). And the fact that they are a good beginners resource doesn't make their own site's bad practices good practices. Even beginners know how to "view source".