Sheila: It has been argued that using computer technology to add color to a movie originally filmed in black and white damages the integrity of the original film  But no one argues that we should not base a movie on a novel or a short story because doing so would erode the value of the book or story  The film adaptation of the written work is a new work that stands on its own  Judgments of it do not reflect on the original  Similarly, the colorized film is a new work distinct from the original and should be judged on its own merit
It does not damage the integrity of the original black-and-white film
It appeals to an analogy between similar cases.