^ GL and friends were using the colorization issue to power grab more rights for creators. GL and friends wanted the ability for the original creator to be able to stop the distribution of a derivative work. They played up the notion of non-creators putting out altered versions. (colorization by a the rights owner in the 3 Stooges case) The US Congress disagreed with this notion and GL and friends lost that round.

So the colorization issue was more a smoke screen. Lucas has never to my knowledge said anything against derivative works, done by the original creator.