Being inciteful is not a crime. We may not agree with neo-nazis, anti-abortionists, etc, but public information is public. Free speech is a right.
How many times have we at Slashdot had sympathy for similar situations involving piracy and hacking. Where legal and litigious means are employed to silence "inciteful" uses of technology.
While we don't know the real details of this individuals arrest, the likelihood is that she was targeted by the police for her blog posts. Charging someone for something trivial or finding something ancillary to justify the arrest is usually easy enough for law enforcement, even if the charge gets dropped, its a massive inconvenience and expensive on the accused.