Is it that easy to sue to a company?

Ok so I found an article at IGN http://movies.ign.com/articles/119/1199189p1.html saying that a woman from Michigan has filed a suit over a movie trailer for the movie Drive http://www.imdb.com/title/tt0780504/. The suit claims that she felt that she has been misled into believing that she would be watching a movie that is similar in nature to the Fast and Furious franchise. I find it hard to believe that the woman did not know that movie trailers typically lie to everyone. Most trailers tend to be deceiving in order to make money. They can show a kids movie to be funny but once you are in the theater they kids (and adults) do not find the movie to be funny at all. That is one way Hollywood deceives people into going to the movies. The woman should know that not every movie is going to be what the trailer has shown, many times there are scenes shown in a trailer but yet they do not make it into the theaters. All in all I hope the court doesn't even look at this woman's case.