What a strange article! "Every computer on an enterprise network needs a set of basic services. In particular, power and internet must be available." Power? I

What a strange article! "Every computer on an enterprise network needs a set of basic services. In particular, power and internet must be available." Power? In the sense of [Nm/s]? And the graphics! Why is the Mac-Square larger than the PC square in the second graph? Why does the "Hardware and essential software" square not contain references to hardware or software, but concepts like "encryption" or "deployment"? I have a really hard time understanding the point of that article.