Why so pumped because a trailer?

[Kynes]

Spankey said:

Kynes said:
In a movie, you get an early impression of the whole. In a game, what do you get with a trailer?

you get an early impression of the whole.

Not really, you get an early impression of the CGI of the game, and maybe parts of the script, not of actual gameplay. Sometimes you get nothing, as in the Splinter Cell trailer.