This is one of the marks of a truly safe person: they are confrontable.
In a very real way, ownership is the essence of leadership. When you are 'ridiculously in charge,' then you own whatever happens in a company, school, et cetera.
Physical presence provides chemical, relational, psychological and physiological effects that virtual relationships cannot. Our brains change in the presence of another person and their behavior.
As a psychologist, I can tell you that there are people who look very good in a group, but they're very different in a one-on-one situation.
Leaders set a very clear path every day, in a thousand different ways, of what the people must attend to, inhibit, and keep it current in front of them.
A culture is like an immune system. It operates through the laws of systems, just like a body. If a body has an infection, the immune system deals with it. Similarly, a group enforces its norms, either actively or passively.