Adobe development team:
"Hey, let's let's force artists, at all times, to view and inescapable screen-wide white light bar so that we can burn out their retinas. Heck, with their super sensitive and keen eyesight, it'll also handicap the hell out of their ability to view and edit the subtlties of tiny hue and density differences in their photographs. Woo hoo! What a neat design we just conjured!"