The point of this article is that Microsoft was awarded a process as a patent. Its equivalent to being awarded a patent for tabbed browsing, its absurd! Microsoft now has legal rights to a shutdown protocol which will speed up the process. Linux, Mac, etc will not be able to use this entire pathway in any future versions of its OS software. After peeking at the diagram, I see no obvious way for anyone to get around this patent... that will depend largely on the wording of the patent and the applicability of that language to the architecture of the OS.
Patent law has not advanced to keep pace with the market it regulates. If anyone thinks this is not a big deal, you are mistaken. Microsoft has the legal/fiscal power to hunt down anyone who uses this protocol. It may just be a shutdown protocol, but this sets a precedent and in the larger scope of patent law... this is not a good thing!