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I was thinking the same thing. This communication style is outdated. All I see is an attempt of mimicking Steve Job's style in keynotes. But that looked natural on him somehow.
For all his faults, Jobs always sold the idea that he really thought the stuff he was showing was the coolest thing ever. There was at the very least an illusion of pride and excitement, even if it wasn't always genuine. He'd crack jokes, make off-hand remarks, and wasn't afraid to mention competitor's products. Modern Apple presentations are just like being read some marketing materials. It's very disingenuous.
I am generally of the opinion that Jobs was vastly overrated, but one thing I will always give him credit for is that he was a brilliant salesman. One of the greatest the world has ever seen. I believe that the man could quite literally sell someone the shirt off their own back.