I love this article except for the argument it makes about preprocessors. While I agree with the author that preprocessors do not replace the need for a deep u

I love this article except for the argument it makes about preprocessors. While I agree with the author that preprocessors do not replace the need for a deep understanding of CSS3, that doesn't mean that preprocessors are useless or bad; hell, the ability to nest rules alone saves me hours and hundreds of LOC.