Collaboration as a style of leadership has been both overvalued and underutilized. From the overvalued side we spend far too much time talking and not enough time working. Everyone does not need to be involved in every decision or know everything to be supportive. The whole point of collaboration is the value of collective input and development which almost always requires debate. This HBR post is really good:
“The modern workplace is awash in meetings, many of which are terrible. As a result, people mostly hate going to meetings. The problem is this: The whole point of meetings is to have discussions that you can’t have any other way. And yet most meetings are devoid of real debate.”