Another argument for bottom-left origin is that it's how 3D graphics usually work. If the basic language focuses on 2D graphics, then go with top-left for later

Another argument for bottom-left origin is that it's how 3D graphics usually work. If the basic language focuses on 2D graphics, then go with top-left for later familiarity. If it focuses on 3D graphics, go with bottom-left for the same reason.