Corrected entry: Because the title of the film is very similar to a nickname of the World Trade Center towers ("Twin Towers") and their connection to the September 11, 2001 terrorist attacks, director Peter Jackson considered changing it, but quickly decided against it because of fan opposition.
megamii
15th Sep 2003
Correction: This was only a rumor. Jackson and everyone else involved with the production have stated numerous times that they never even considered changing the title.
Phil C.