O comparație foarte interesantă despre discuțiile referitoare la design patterns:
Imagine two children, both nine years old, decide to play tea. They rummage around in the closest of their respective parents. They dress up as they’ve seen their parents dress up. The one goes over to the other’s house.
http://www.smashcompany.com/technology/why-i-hate-all-articles-about-design-patterns