When the military comes out with a new fighter jet...it is never a smaller motor or smaller payload...it is always a larger engine, faster plane, has a greater fighting payload to a better faster more effecient job than planes before it's development.
Marketing is always advancing...never retreating....the Iphone 5 is under development, the Iphone 4S comes out this Friday....200 new features on it in the last year since the last one....NOT 200 fewer features....everyone wants more performance...never less....
So, if you are happy with your bike keep it forever....you are correct it has lots of power.....but I would rather carry a .45 automatic pistol to a gunfight than a .22 revolver, even if I knew the .22 would do the job....bigger is always better......