I agree with your point's sentiment, but I doubt anyone in here is chartering a bus or van to attend an event their neighbors are also attending the next town over.
They think the same way we do. We play the game at the level we can afford. Their game is higher level, but it is played the same.
Pulling my plane out of the hangar is no different than pulling the Subaru out of the garage. Thinking about sharing the ride never enters into it. I don't need to trade reduced cost for increased efficiency and reduced convenience. Neither do these 525 jet owners or charter clients.