Yes, it has a lot to do with leadership. That‘s why new leaders who try to change everything at once so rarely succeed. They first need to build up credibility

Yes, it has a lot to do with leadership. That‘s why new leaders who try to change everything at once so rarely succeed. They first need to build up credibility (a.k.a. idiosyncracy credit) by fitting in and conforming to group expectations, before the group trusts them enough to allow them to change individual aspects of said expectations.