I can't remember when I last saw or even observed a presenter's knees - covered or not!
. She won't have to worry about scaring if she is given a presenters job, it's about personality. It was still a very tackless thing to say by the nurse though. Being mugged is a horrendous experience for anyone to go through, let alone being injured in the process. Her grit, determination and manner in which she has handled this demonstrate what a strong personality she is.