yeah, but XP only runs up to DX9c in a stable manner, and from what I've read elsewhere almost half the gaming community still runs XP.
Now don't get me wrong sparkle and flash might sell games on the front end, but content sells games over the long haul.
And don't mind me, but I've got two kids here that are "minecraft nuts" and minecraft is uglier than a monkey's butt, but they sure do seem to enjoy playing it, and the author seems to enjoy having sold over a million copies at $23 a pop