I've noticed that most speakers don't actually convey any information, instead just exploring some very basic idea in way too much depth. Just lots of fluff really.
Also agree with others though, that conferences have their uses for meeting people which does result in knowledge exchange.
To all the mentioned faults I would also add that most of Schönefeld has serious accessibility issues. I've seen a few times people with disabilities completely at a loss. And both airports have problems with staff being rude.
People mentioned in the article seem to doubt about applicability in the real world. If nothing else, I think it brings video game development closer to being an automated process. A game could simulate various conditions and design an infinite number of complex environments. Am I way off?