Subversion is the goal of them. To be successful requires time and not getting found out. It requires plausible deniability.
https://www.cia.gov/stories/story/the-art-of-simple-sabotage...
I'm not sure what you're asking at this point.
It's a book about sabotage over a long period of time, written in particular to partisans of various countries.
Plausible deniability is the CIA operating method.
"How to do shit to subvert large orgs covertly via death by a thousand cuts" is another title for the manuscript, in some universe, somewhere.
Subversion is the goal of them. To be successful requires time and not getting found out. It requires plausible deniability.