> interoperability with developers who are already familiar I wouldn't say it's "predominant". Some instances are code authors trying to bring their library to

> interoperability with developers who are already familiar I wouldn't say it's "predominant". Some instances are code authors trying to bring their library to new audiences (c/c++ frameworks with multiple language bindings), or developers unfamiliar with the language but want that specific API in their own (Python's requests library is a great example, cloned in many languages now).