How to Combat the illusion of Information Adequacy

.... the two groups who read only half the story – either just the pro-merging or the just the anti-merging arguments – still believed they had enough information to make a good decision.
“But most interpersonal conflicts aren’t about ideology. They are just misunderstandings in the course of daily life,”
“Your first move when you disagree with someone should be to think, ‘Is there something that I’m missing that would help me see their perspective and understand their position better?’ That’s the way to fight this illusion of information adequacy.”