If the author intended a function to be overridable and designed the class as such, none of this is a problem. I never need to look inside the parent class, let

If the author intended a function to be overridable and designed the class as such, none of this is a problem. I never need to look inside the parent class, let alone the entire hierarchy. On the flip side, if the author didn't want to let me do that, I really appreciate having the ability to do it anyways, even if it means tighter coupling for that one part.