In addition to the "firing people by conference call is a douche move", her voice is an excellent argument against hiring any non-Australian with the high rising terminal mode of speech.
That has always enraged me, thanks for putting into words.
For example, when someone says, "So, we're going there" with the high-rising terminal, uptalkers have polluted that resource which is spoken language to the point that it makes it harder to tell if the sentence was a question or an imperative.