We all know your face is injured, but so what? You could again get 0 points from judges and ask the audience to vote for you. Right?
But maybe, it's necessary to perform in the finale. Okay, so then you could have performed something simple, get less points from judges and then ask for audience votes. I'm sure that dancing with a bruised face is far easier than dancing with a bruised elbow.
They let her stay in all this while although she was injured and left the decision to the audience. So why back out now? On the last day? All of them absolutely care a damn about the public.
I don't buy this NONSENSE!