Did you think the same about Roman Polanski?
She has a case to answer for, she needs to answer for it.
Polanski is an entirely different case, he accepted a plea deal, then fled the country before sentencing, never to return. There is absolutely no comparison to Amanda Knox, to suggest otherwise is ignorant.
She has answered for the for which she was charged, was convicted, had the conviction overturned and was found innocent, and is now facing trial for the same crime all over again. What more would you have her do?
The Italian judicial system is a joke. Corrupt as all hell. See my previous link for more details.