This article is full of strawmen fallacies. Paints with a broad brush by using "Economists" and "Economics" to mean the whole discipline.

>Economists also often get overly enamored with models that focus a narrow set of issues and identify first-best solutions in the circumscribed domain, at the expense of potential complications and adverse implications elsewhere.

Can loosely translate to: Economists like to study optimization problems whereby rigorous mathematical models conclude that to maximize one variable, other variables may be minimized.