This article is short and sweet:
http://blogs.wsj.com/biztech/2008/10/14/software-helps-artists-but-are-they-cheating/
Since the days of the caveman, we have used tools. As the tools got better, so did the results. This is not cheating. As we make software more and more powerful, our customers can express their designs more easily. There may come a day where machinery does all of the crafting, and people are valued for their ideas that get turned into reality.