What people don't realize about Shirley Sherrod is even though her speech turned out not to be racist, that doesn't mean that Shirley Sherrod isn't a racist. So, we can't conclusively say that Shirley Sherrod is not a racist. Since she could be a racist, forcing her resignation was appropriate.
This has been a commentary from: Guy who adamantly says things that are technically true, but easily refuted after only a modicum of thought. A.k.a. a conservative.