My ass, they were nowhere close to beating it. Unless you call 12-48 with no towers down close...
If OpenAI was able to hold out for 45 minutes and manage to at least go 20-40 with Slark, Riki, Axe, Sven and QOP, then I have no doubt in my mind that whatever team at TI18 faces OpenAI Five are going to lose just as hard as the audience and professionals did at the demonstration.
Everything pertaining to the technological singularity and related topics, e.g. AI, human enhancement, etc.