"Fans have written over the last 30 years telling me how eagerly they awaited the second film of the trilogy. I hadn’t realized how many young children would be seeing the film, and how it would affect them. I think the kids responded to the movement, the characters, and the fairy tale quality of the film. The humor helped make the film appealing to more mature audiences as well."
January 1, 1970
https://en.wikiquote.org/wiki/The_Empire_Strikes_Back