Why opening title are important in the film industry

The main opening title  is considered the most important part of the film. The title of an opening sequence of a film is very important because it's the first scene is where you grab the viewers attention and interests them by the opening scene. The opening scene is what the viewers sees first, they then have expectations for the rest of the film, the first impression of what you see in the opening title is very important. 
A good opening sequence will make viewers want to watch more of the film. The average opening sequence last 2 to 3 minutes, in those 2 to 3 minutes is where the viewers see the intentions made by the filmmaker. 
Trailers are also important when advertising a film because if you see a trailer of a film that will also decide if you want to go and see it or not debating on whether it grabs your attention.
Another important element of why the opening title are important in the film industry are that they tell you who directed it and also which actors are starring in it, this is a good way to grab the audiences attention as there favourite actor may be starring in the film, and it will want them to go and watch it more.