I think there can be good faith disagreement even when all the items you mentioned are agreed upon. The basis for the disagreements may be presuppositions, val

I think there can be good faith disagreement even when all the items you mentioned are agreed upon. The basis for the disagreements may be presuppositions, values, and priorities - people may differ here, in good faith. To use a controversial (and simplified) example, the abortion debate may result from conflicts between a women's right to autonomy over her body vs. a child's right to life. I think both sides would agree these two values are positive; the difference is which takes priority. Now it may also be true that it's not worth arguing about values, because they are not likely to change based on argument. But I still think many of these arguments are made in good faith.