That's an excerpt of Susan Schneider's new book. There's a draft in her website for download.
My overall opinion about it is... So what? Any radical solution for the problem of mortality (e.g., body transplant) seems to imply a counterintuitive outcome. I mean, I don't want to die... but being dead plus having my memories and personality simulated by a Super-AI after my brain's death seems to me the second-best case scenario.