That was cleverly deceptive marketing for an intended reason to do with the games message. It was cleverly edited, but nothing they showed wasn't in the game. As mentioned in the video, all of this promotional material never actually happens or exists in the game.
Also for future reference check out this vid before commenting on MGS2 again https://www.youtube.com/watch?v=T-2YuPGYabw
That is not true of the original MGS 2 trailers. Sequences where you only play as Raiden were shown with Snake.
I've not played the game yet, so I can't call you an idiot for not seeing clear distinctions between this marketing campaign and what actually exists in the game. Maybe I'm the idiot. I'm drawing my conclusions based on the article.
Remember the Halo Reach campaign with live ads that featured other spartans? Those scenes never existed in the game, but at least they weren't fabricated from stardust. IThere was potential for that stuff to have happened at some point in the fiction of this universe. The shit we've been shown for Halo 5 however, doesn't even happen in extended made up fan fiction. It's just...... *PURE* fluff. At this point, is there even a remote possibility the campaign is as interesting as we've been led to believe? I've skipped all the campaign footage of late so all I've actually seen is that bullshit hallway demo from E3, which looked more boring than COD. Frankie confirmed it was just a cinematic sequence for demo/co-op/polish purposes.
I'd have rather just seen a trailer, personally. That demo killed my hype and it's not been back since. Well, it's obviously there to some extent (thanks Bungie!) Enough to have me pre-load the thing.
The most recent live action TV ad, linked in the article in the OP, is true to the game, at least from Locke's point-of-view, at a certain point in the story.
That's part of the issue with a dual narrative. Just because the player/reader/viewer knows things doesn't mean the individual characters know those things.
Sorry for being vague, trying to avoid even a hint of a spoiler.