I disagree. You could do engineering to solve a wide range of problem. Some problems are cost reduction, but some aren't : you could have an engineering composa

I disagree. You could do engineering to solve a wide range of problem. Some problems are cost reduction, but some aren't : you could have an engineering composant in an artwork, a new luxury unique product, or any other societal problems not oriented on cost-reduction. By the way, you can always find a "cost reduction" in anything you do, it's a matter of point of view and horizon.