Objectivity is lacking throughout the entire talk, not only in the thesis. But objectivity isn't very good for building hype.
Nerds are good at the sort of reassuring arithmetic that can make people confident in an idea or investment. But oftentimes that math misses the forest for the trees, and we're left betting the farm on a profoundly bad idea like Theranos or DogTV. Hey, I guess that's why it's called Venture Capital and not Recreation Investing.
If anything it seemed like the middle ground between AI boosters and doomers.
Maybe they didn't, and it's just your perception.