So what? We are not really experienced in judging how chemical processes work across (a half of) billion year timespan. Or how can intense lighting and volcanic activity across similar timespans affect the probabilities of outcomes. And so on
Why is this process not ongoing now, then, when there are tons of prefab elements of life, i.e., it should be easier today than it was a billion years ago? A billion years is not as long as you think!
