#DanShapiro
Psychologist Dan Shapiro has identified three barriers to productive arguments: an us-versus-them identity, not showing appreciation, and a lack of affiliation.

Big Think:
Harvard negotiator explains how to argue

"Arguments are a necessary part of life. But there are three barriers we need to overcome to have better, more productive arguments."
https://bigthink.com/the-learning-curve/harvard-negotiator-how-to-argue/