I don't think they are talking about scratches, more so about the color. The color will probably fade after a while and not look as vibrant. It probably depends on it you use a case of not. But it is a nice touch by Apple.
Man it's really nice to see that it's a company run by human beings and not heartless androids . Glad to see they can put a tad bit of humor in things and still kick ass.
it's changed since the introduction of the Core 2 Duo iMacs, but the graphics section of the Core Duo iMacs advertised them playing WoW, with a picture of a WoW dragon bursting out of the screen. In the fine print it had something like "***Dragon not included."