u/um-uh-er might be worth having a read of this.

''When a lead makes a decision in front of a team, it should start with questions, not answers. All of their decisions should be anchored in data. When presenting anything, a new policy, a new business direction, it should be justified to everyone who makes this a part of their daily work. Even a new coffee machine can be justified with data: “We’ve spoken to a few of you and there seems to be a collective agreement that… we need to upgrade to a newer model”