The terms are from different industries with different visibility.
When this became a social moment, there was a sentiment that everybody should learn to code and lots of people were being exposed to things like git, and having casual discussions about those things on social media, at meetups, etc.
It went from being an professional engineer's tool to part of a pop culture zeitgeist, where everybody could share some opinion about it.
While many people know what a "master recording" is when the phrase comes up, the number of people actively thinking about and discussing audio/studio engineering remains way smaller and has way less intersection with communities compelled to make noise about language politics.