The secret of Big Macs is that they're not very good, but every one is not very good in exactly the same way.
Beware of Methodologies. They are a great way to bring everyone up to a dismal, but passable, level of performance, but at the same time, they are aggravating to more talented people who chafe at the restrictions that are placed on them.
Remember, just because Microsoft can do something, doesn't mean you can. Microsoft makes their own gravity. Normal rules don't apply to them.