The image is a way to speak. One of the more powerful uses of creativity is to use it as a way to tell. It is a language not too different from the written word. Photography is a creative process that can elevate the mind.
Winogrand means that the image becomes something different as a result of its framing. I think he framed beautifully. I do not believe his work was haphazard. He knew where he was and anticipated the subject.