Because this is generally helpful. Everyone has a different method, and I find this tutorial to be very similar to my own. It's not so much about cleanliness and perfection as it is about "building a sketch".
What I was trying to get at though was that I have seen 50+ more tutorials that follow this process, and in the end create something eye catching, with little to no issues. I can agree that this one is simple and easy to follow, but it just isn't Daily Deviation worthy.