Yep, it's right there with a big warning sign saying that a copy will be created. This is something that any IT Pro would notice and read and then hopefully understand the impact.

The author can argue that the UX is bad, but they can't say it's "faulty" or "inaccurate".

Edit... After fully reading the article, the author even says this: "If an interface doesn’t quite do what it appears to, it should give a warning." The warning is right there in the UI, captured perfectly by his own screengrab.