You may be right about the first; it's a pilgrimage for many people.Isn’t MSG “The Mecca” of basketball? The Arena is the Epicenter of College Basketball
Not sure UD is the epicenter of college basketball. That would really be stretching.
As to aviation, my buddy in Cincy scored tickets under a tent with his family to the Blue Angels last week in Dayton. Said it was their typical great show.