I would say that if developers are hacking on an abstraction that is ill-suited to the task until the code base is a nightmare, they will take this advice and d

I would say that if developers are hacking on an abstraction that is ill-suited to the task until the code base is a nightmare, they will take this advice and duplicate code until it's a nightmare. The fact of the matter is every line of code that is written has an associated cost. Developers all too often pay that cost by incurring technical debt.