If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Better rendering hardware means more efficient tools for the human.
No, it does not. The way it works is that a variety of humans painstakingly create the complete digital description of the special effect you need (which might involve 3D modeling, motion capture, creating textures, etc.) and once they're done this digital description is handed off to the rendering farm which spends some time -- from minutes to months -- rendering high-resolution movie frames from the digital description.
Better rendering hardware might reduce the time from months to days, but that's not where the costs are -- the costs are in creating the ...