Turn your laptop upside-down. It will reveal something about the philosophy of the manufacturer. My wife's Toshiba is at the top. My Mac is at the bottom.
This simpleness extends to much more than just the external design. The Mac software interface exhibits that same simplicity compared to the big other guy.
(Whenever I do these kinds of posts, I am too lazy to look up how many times I touched on the topic before; thus the title.)