Update: Better link https://www.youtube.com/watch?t=1943&v=Fxo3OHKjfxs&feature=youtu.be
https://youtu.be/Fxo3OHKjfxs scrub to -23:30 (at least that's what it is on mine, they have disabled a LOT of YT features) and you can see part of the [set?] fall off and hit a solid floor (isn't that room supposed to be carpeted?), and the sound echoes like the room is empty. Wouldn't a room full of people would defeat the echo?
Honestly the weirdest part is the guy at the very beginning he looks through 2 or 3 papers and then stairs at the camera with bug eyes