I watched this on TV and I read the transcript again and am impressed by the grace and sincerity of it ... and while the sad, cynical history student in me is still muttering that words are marvellously easy and there's still absolutely no change in any system, she's probably just partially embarrassed that a politician brought tears to her eyes.
To save a bit of face, she does express the sardonic hope that it will go down in history as more than one of Australia's most moving speeches, mind you.