And when it's used more than a handful of times in the story? Overkill.
I'm not sure if I'll even try to give her the feedback that it would have helped sustain the level of tension she was trying to get in her fic if she would take those "..." out and punch up the tension with description. Being headshy about having said head handed back to me for trying to help (as has happened in the past), not sure it's worth it.