[sh_tinh_hair]

Firstly: I've administered and designed large CI/CD real world installations for what would be single project scope at Google and those efforts are challenging enough for me.

The book was informative as it contains true to life episodes in a huge (and formative) devops environment. But ,in general, there was nothing that I took away from the Google SRE 'way'...except that I have no desire to work in a huge and hugely rigorous devops environment like the one at Google (though I see it's necessity at that scale).

Under the guise of being creative and solving unique problems you eventually drill down to the reality of a pseudo-religious approach to building,maintaining and administering rapidly changing large systems.

I'd argue that the truly valuable parts of the book for most folks are snippets on the evolution of Google infra, component reuse, design philosophy and lessons learned. These are valuable for any size environment doing any sort of computing.