Don't judge the book by its cover? REALLY?

I spent whole day watching make-over-show: "how do i look?". It gives me wider view about a quote: "Don't judge the book by its cover".
Really? So how you gonna judge a book? By reading all of them one by one?
Get real (specially ladies), we are all agree that we're so special and unique. We don't like being judged, but it doesn't mean that we should be happy on our messy looks!! Cause by being "stubborn" and "close-minded", you are the one who precisely judge people around you, your own society. It's good to be your self, being confident. But it doesn't mean you should obsessed about your self and hate everyone that willing to give opinion about you.
Shaping a nice cover isn't a crime. It doesn't mean you have to fool or betray your self. Cover is a door to enter your book. It is not about being your self. Be nice so people get interested by your book, your message, your story. Cause how could anyone knows your incredible quality when they don't have any lust to get to know you. TO OPEN YOUR BOOK.
Be smart ladies.