The problem is that if your monitor is set up so that a white background looks OK, then all photos, video, etc, will look too dark. If your monitor is set up br

The problem is that if your monitor is set up so that a white background looks OK, then all photos, video, etc, will look too dark. If your monitor is set up bright enough for photos to look good, then text on a white background is too dazzling and tiring for the eyes. So the only good compromise is for the monitor to be set up so that photos are bright enough and then not use text on a pure white background.