I don't agree with this. I oftentimes see colleagues from "distant" teams who have a tendency to use their own, opaque acronyms even when they specifically look

I don't agree with this. I oftentimes see colleagues from "distant" teams who have a tendency to use their own, opaque acronyms even when they specifically look for me to help them with something. My first response is always, basically, "what's XYZ?". I think people have a tendency to assume that their context is shared by the other people. Also, on a wider level, I think that the infamous "twitter wars" are due to people taking short sentences out of context. Of course, this is likely not the only reason, but it's probably a contributor.