I have never heard of anyone referring to the Unity way of doing things as AOP, and the docs do not call it AOP. In my view, if it was AOP, you could change the

I have never heard of anyone referring to the Unity way of doing things as AOP, and the docs do not call it AOP. In my view, if it was AOP, you could change the behavior of all Foo instances without dragging anything on them, and without changing the definition of Foo. If anything, Unity follows the composition-over-inheritance principle.