You don't get it. Saying it in Spanish makes it more classier. Do you want her to talk like some potty-mouthed bartender?
Also, try and understand why she said it. She is saying out loud what many people are thinking in private. Once again, Palin cuts through the chase and produces a memorable one-liner that people will remember. In the next few days, everybody is going to be talking about this, which keeps her name in the news.
Please read my post #35, and you will see I agree with you.