It really was off-putting the way the main guy was saying words like "this is so exciting" while having zero facial emotion and a dead look in his eyes. Felt like somebody was holding a gun to his head and making him read off a prompter.
Compared to that, and especially to a casual observer, he looked disengaged at the Win11 launch event. But it's probably a consequence of having to perform in front of a camera and not be able to move around as much.