Why is the multi-tasking on the iPad so confined

So we have a 9.7 inch screen but when we double tap the homebutton we get six icons at the bottom? Ipad-multitasking_medium

via ebooksforipad.net

Why not something that takes advantage of the larger screen and uses screenshots instead of static useless icons?Screen-shot-2011-09-14-at-11

via appleheadlines.com


iOS 6? Maybe? What do you guys think.