This happens with teams of humans as well. Without a formal leader, teams will naturally have one (or more) leaders emerge.
The ideal team doesn’t need leadership and consists of mostly self-sufficient members, but the de jure leader merely exists at that point to ensure some tyrant doesn’t come to power. Since this isn’t very time consuming, they are free to do other work haha.
If you found the presentation interesting and you would like to learn more, you can check out our tutorial for Learning Agents with UE 5.5: https://dev.epicgames.com/community/learning/courses/GAR/unr...