Return of the Jedi Boob

This is my first post, dunno if I'll do it right, but here goes:

When George Lucas (in all of his anal retentive editing) released the original Star Wars trilogy on DVD, why did he decide to leave that split-second scene in "Jedi" where Jabba the Hutt's slave girl's tit bounces out of her outfit before the Rancor gets her? Georgey boy surely must have caught that. Why did he not edit that little morsel out (not that I'm complaining. Green or no, it was a pleasure to behold when I was a kid)?