It's not about it being about action, it's the way it presents the action. And yeah, I saw the FO2 trailer, it was still better than this one. Not what I'd prefer, but far better. Why? Cause it gave some backstory and it showed real gameplay. Yeah, it was still mostly just shit about combat, but at least it was proper gameplay, and at least they didn't present it as "look at what a badass you can be!" If anything, any "badassery" was merely a consequence of the gameplay itself.  All right, so what makes a good trailer to me? A good trailer informs the player about the story, the gameplay, what it got in terms of mechanics and shit like that and shows some interesting bits. The story bit can just be narrated over the gameplay, and the gameplay can be chopped up into little 2 second segments that show off various things like the inventory or the combat or the way you level up your character and then you sprinkle in 2 second segments of scenes and crap from the game that show off iconic characters, factions or events that intrigues the player. A good trailer gives a little bit of everything. The less it gives, the worse of a trailer it is.