There is certainly a huge YAGNI danger here. 10 people shops should read this, but keep their socks on.
I love the part in that other SRE book where they say to “keep it simple” right after describing probably the most involved, meticulous and vast set of software engineering practices of the last 10 years.
“Simple” if you have 10B+ in the bank and 1000+ engineers to run the show.