The point is "inlining" already refers to this kind of inlining. The already-present form is more limited than the typical use of the term.
What does it include? You've conveniently managed to skip over the crucial part with ellipses. Calls in the middle of stacks perhaps?
You people have too much time on your hands to go and pick at the wording people use in their presentations.
What kind of argument is that?