I have not read the script of Kill Bill, so I do not know fully what will be going on. I have only seen the trailer. I really do not want to read the script. The script is out of date anyway. QT has changed is considerably which is his right as a director and writer. For another reason, I want to be surprised. With some movies to read the script would spoil it for me.
Trailers are teasers. They are there to entice you to see the movie. When I see a trailer of a film, it will trigger two reactions in me, either “Whoa! That looks good. I want to see that,” or “Nah, not my kind of movie.” Trailers are subjective, but they do give you just enough info to get you interested, especially if you haven’t been to a forum such as this and do not know that it exists. For some, the trailer will be the first time that the film is introduced to them. So trailers do serve their purpose.