I'm trying to be objective but that video is utterly bizarre.
It ranges from David Brent esque (I dead-eyed him and told him 400 widebodies) to the Ace Ventura styled Hawaiian shirts.
I dunno how far they are down the administrative process, even if they've managed to start it yet, but why waste your time at this stage worrying what the internal layout of your aircraft will look like? That's a while off yet. There are bigger and more pressing issues ahead.