[Flameeyes]

Leaving the casual xenophobia aside, I never said anything about "real" yak shaving.

Indeed, as others noted already, I clarified that everything I'm writing is from the point of view of my niche, which (as the title implies) is systems engineering. In the SRE/PE/DevOps meaning of the name, since that's also an adopted job title that has quite different semantics in other fields.

I'm glad _someone_ keeps track of where bits and bobs of jargon come from, because they'll make great trivia in a future episode of QI, but to be perfectly honest, I'm not profoundly interested in the philology of our terms as much as I have an interest on providing a quotable reference to explain specific work.