This book is about how to run services, in any organisation, in any industry. It describes the basics, the core stuff, in realistic pragmatic terms. And it is pragmatically brief - we kept it to 50 paperback pages.
A recent blog post made me angry. This is one cause of the Dev-Ops divide: ignorance of what the other side does. I expect some of that in the trade, down at the coalface amongst Dev and Ops practitioners. I don't expect it from Forrester analysts.