Dragging windows does not constitute my basic desktop usage. I probably drag or resize a window at most once per day, and I'm not even using a tiling or significantly keyboard-driven window manager, it's just stock OS X.
>Dragging windows does not constitute my basic desktop usage
Fair enough, but it does for most people. The claim I was disagreeing with is that >30fps only matters for action games. It is noticeable for most tasks that use a mouse.