Natural selection is the natural process by which animals adapt over time to a changing environment within the constraints of their genetics. This selection, however, is remarkably swift and has nothing whatever to do with genetics. So we call it unnatural selection.
What is unnatural about lightning, you might ask? The answer of course is nothing, especially when it is ...deselecting Timby.
But in that case we would be forced to counter: What is natural about a video game?