As Harry and his friends gradually grew up and became strong enough to stand on their own, what if they happened to have a thorough understanding of the school's various operations by that time?
Furthermore, what if they not only possessed a firm grasp of these matters but were also adept at handling them? Could they then step into the shoes of the professors and let these veterans "enjoy their golden years in peace"?
In other words, if Harry and the others truly proved capable of managing school affairs moving forward, it would mean they had earned the qualifications to take the burden off Dumbledore and the rest.
Chapter 367