Haute couture is tailor fit to the body of whom purchases or can afford the quality VS Walmart line one size fits all. It isn't about fashion statement, it is very much about quality and attention to so much detail. The macbook pro line is not thick. It is sexy and quality. Especially the 17" MacBook Pro.
I would argue there are plenty of other laptops with the same attention to detail. I actually prefer many of Sony's designs