While this is true of the feature mentioned, do note that packages are currently hosted on various third party hosting services that can and do track substantia

While this is true of the feature mentioned, do note that packages are currently hosted on various third party hosting services that can and do track substantially similar information. In 1.5, we're moving to our own infrastructure for serving packages (which should give better performance and allow things like incremental updates). This thread is about what information gets sent along with those requests.