In the service of Customer, the king

"We wanted to provide one more opportunity for moviegoers to experience it on the big screen as it was meant to be seen," said Dan Fellman, president of Warner Brothers' domestic distribution in the US.

--BBC

Obviously Warner Bothers are filled with concerns for the passionate moviegoers. Why else would they go through all the pain of re-releasing a movie which most of moviegoers have already seen, (some of us more than once)?

This is why,

Batman film The Dark Knight is to be re-released in US cinemas in January, upping its chances of its box-office takings crossing the $1 billion mark.

-- Same Story on BBC