No guarantee, right. Just past experience. But even if there's no big payoff at the end, I'd argue it is important for the identity building process of a commun

No guarantee, right. Just past experience. But even if there's no big payoff at the end, I'd argue it is important for the identity building process of a community or a nation. If 100 hundred years from now gov't finds out it has a worthless building, they can torn it down then.