That's true. And she does seem to have some amount of motivated cognition. But it does seem like she has outlined correctly some pretty glaring problems with general competence and ethics of cryonics organizations.
The articles on her blog near the beginning (http://cryomedical.blogspot.com/2007_07_08_archive.html) are interesting and troubling. They seem more credible because she appears to be in constructive criticism mode rather than in FUD mode.
I recently found something that may be of concern to some of the readers here.
On her blog, Melody Maxim, former employee of Suspended Animation, provider of "standby services" for Cryonics Institute customers, describes several examples of gross incompetence in providing those services. Specifically, spending large amounts of money on designing and manufacturing novel perfusion equipment when cheaper, more effective devices that could be adapted to serve their purposes already existed, hiring laymen to perform difficult medical procedures who then botched them, and even finding themselves unable to get their equipment loaded onto a plane because it exceeded the weight limit.
An excerpt from one of her posts, "Why I Believe Cryonics Should Be Regulated":