I think there might actually be a decent chance there's a direct instead of a regular trailer, there's a weirdly high amount of content that's leaked they're hiding for how little of the game they've shown off.
>still haven't revealed region name
>still haven't shown literally any of the gym leaders or the game's main objective
>apparently there's a whole other rival they still haven't shown at all
>still haven't shown whatever the crystal gimmick is
>still haven't shown any regional forms
>still haven't shown the new rfake concept or ancient/future pokemon