As leader of the Alexandrians, Deanna was pretty out of her element whenever the real world encroached on her settlements walls. Naturally, once those walls fell, she took a bite to the belly while trying to protect Rick, but not before imparting some wisdom on Rick, Maggie, and, especially, Michonne that should push those characters into stronger leadership roles in the future. Deanna herself may not have mattered much, but her impact will be felt for seasons to come.