This comment is a non-sequitur. You apparently read motivation into my post that wasn't there so that you could have a chance to be sarcastic. Nice work!

One key thing from the books is that we have seen Melisandre misinterpret a vision in the flames. It calls into doubt everything she has claimed. It was not a part of the show. This, I think, will be our time to see her fail in the show.