Thanks. Did you listen to O'Connor's whole video, though?
There's a difference between the concepts of a benign dictatorship and of an all-good deity. The latter is more paradoxical than the former. The dictator might be benign as long as he or she benefits us. Then the question is whether a dictatorship would become tribal, so the dictator would benefit one population at the expense of another. How about a global government for our species? Still, the humanist dictator might benefit us at the expense of other animals. So tribalism does indeed enter the picture.
But my point is that tribalism seems a different problem from the theological one of whether it makes sense to talk of omnibenevolence. The problems are related, but they certainly differ in their degrees. God might be benign towards us, but at the expense of his relationship to the fallen angels, for instance. O'Connor might say, then, that God should be conceived of as a benign dictator but not as omnibenevolent. God would be selective with his benefits.