^Exactly. It just seems unprofessional to me. She was being paid to write an adaptation of the script, not a review or commentary. If this was a fan thing that was supposed to be making fun of the show, that would be fine, but not in a professional novelization.
I'll admit I'm not real happy with the place where I work, but I'm not about to go around telling customers in the store that I hate the place, and they shouldn't shop there.