Just because the components of a pattern repeat certainly does not mean the outcome will and when the components of a pattern repeat that indeed, does not mean that history will not repeat.
Thus, probability, mathematics and those who love to predict have ample employment and job security.
Studying and predicting the future is never easy.
Have you ever heard that saying; those who fail to study their history are doomed to repeat it? If so I'm sure we can both agree that this is good advice, however just because something looks the same doesn't mean it will repeat in the same way at another time in history.
Additionally it should be noted that often our minds will pick up on a few components of a pattern and we will assume a similar scenario from the past.
This can be quite problematic when predicting future outcomes or studying patterns.
Now then, this is not to say we shouldn't study patterns or study the components of patterns to try to predict possible outcomes, rather it is to say that you must pay attention to the complexity and the details within the pattern if you are to predict the future accurately.
And lastly, you should always be ready for disruption, whether it is a technology, act of nature or even a human war.
A good book to read is "The Black Swan" by epistemologist Nassim Nicholas.
He describes why all we think we know is quite irrelevant in the face of a black swan or an unpredictable event.
So, when Pattern Components Repeat, please do not jump to pre-conclusions.