I don't think that's comparable. I really dislike showboating athletes who try to do an "In your face!" when they think they've won. Kramer didn't do anything like that. He made a mistake, his coach made a mistake. It happens.
And then when she screwed up this year, she said in the interview, “Well, I do events all year long on the tour, it’s not just about this (OLYMPIC!) event...”
Diva b*tch.