One thing to keep in mind too is that, from a business perspective, it is most profitable to plan an event to be as close to not selling out as possible. Say if a ticket is priced at a certain amount and the event sells out. If there is no one left who wants tickets then the tickets were priced perfectly, if there is a ton of people left who want them then they most likely could have charged more. ~100 tickets is a very small portion of all tickets and puts them only a hair away from having picked the perfect price point so revenue was actually quite close to being maximized. If average ticket price is 400 (just a ballpark guess, seems reasonable) and 100 seats didn't sell then they grossed 59,960,000 out of a potential 6,000,000 in ticket sales (probably a bit less as I think the remaining tickets were expensive ones but just a generalization). Had they been slightly cheaper they could have sold out sure, but how much cheaper would they need to be? Because even just 4 dollars per ticket less and they would have earned less overall despite selling out.