I thought she did great. Well done to her, she showed amazing dignity as has been her way throughout the show.
When you look at how relaxed and composed she was, compared to the face of Luke S, it just says it all. And I doubt we will be reading bitter twitter, unlike the words of some of the ex-HM's, such as Conor, but is that really surprising?
As for the sour grapers, there is this saying about empty cans and noise...
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“I'll be more enthusiastic about encouraging thinking outside the box when there's evidence of any thinking going on inside it.”
― Terry Pratchett