I don’t know what the big deal is; DePaul only needs a row of lawn chairs for its home games.
It is Chicago, where things get built to these standards with public money! They will always need “just a little more” to finish it.
https://en.wikipedia.org/wiki/Fidenae
Stadium disaster
In 27 AD, an apparently cheaply built wooden amphitheater, constructed by an entrepreneur named Atilius, collapsed in Fidenae resulting in by far the worst stadium disaster in history with anywhere from 20,000 to 50,000 dead and wounded out of the total audience of 50,000.[5][6]