One thing we know too, even from something as simple as baseball is that stats matter. Yeah, a career .200 hitter will jump up and go five for five from time to time. But if he has been a career .200 hitter long enough, that is the level he will come back to.
So, yes, it is possible that there will be random mutations that occur despite the unimaginable probabilities involved. And given the diversity of life, there will be lots of examples, just like you could probably find hundreds of examples of the .200 hitters having big days in 150 years of MLB. But in the end, the numbers win.
