I don't believe there is such a thing as a silver bullet and we all know how far myths are from reality. If you mess up your negative when you shoot it then nothing on earth can come to it's rescue.
Rodinal does have for me a distinctive look or signature when it comes to grain and sharpness. I love the look produced by Rodinal and I do recommend it be tried if you haven't before. At the end of the day you pays your money and takes your choice.