Possibly because the way we learn math, and the math that most of us learn, is taught procedurally. It&#x27;s the mindset that many of us grow up with.<p>I&#x27;m not in the valley, and I can&#x27;t recall ever seeing an ad for functional anything, not even Erlang. I&#x27;m sure there&#x27;s some around, around here, but not enough that I&#x27;ll see it when I&#x27;m casually looking.