Even legitimate users might want to disable CSS and pictures and whatever, and I often do when I just want to read the document. Blind users also might have no

Even legitimate users might want to disable CSS and pictures and whatever, and I often do when I just want to read the document. Blind users also might have no use for the pictures, and another possibility is if the document is longer than the screen so the picture is out of view then the user might program the client software to use lazy loading, etc.