this is a thing that ive noticed , i might be wrong but every game that had a good story made sure that the trailer said that , games like the witcher , deus ex , the last of us all of them made sure that their trailer was showing the viewer that story was the main focus and it showed the tone of the game
look at the 1st witcher trailer way back in 2007 when the technology wasnt even near to what it is today
just the trailer made me curious what monster i was fighting and why i was fighting it , who was the masked swordsman , why do i look like that and whats my role ?
same goes for deus ex
amazing trailer that makes you want to play the game to find out more
im not saying to judge the finished product base on the trailer but many times the trailer does show how the game might be , the tone , the atmosphere , the personality of the characters