As others who posted before me, I don't agree with how the question was made either... Realism can indeed be creative. It's a perfectly valid artistic choice that requires imagination and skill to be crafted. Just because you're creating something that is plausible in our world or similar to the things that surround us doesn't mean that no thought was put into it, no design skills were required, or no message is being expressed visually. I think the question would be better worded as "Fantasy vs Realism"...
Having said that... I generally find realism unappealing to me in all media, and this is specially true for videogames and animation. The way I see it, realism tends to limit the scope of your expression by having to subscribe to the rules of our world and the things we know exist, therefore ending up with less distinctive designs/stories/gameplay. This, again to me, needs to be justified somehow by what you're expressing, and with enough creativity to offer variety within it, which is something I don't often see in gaming...
On the other hand, I believe that "stylized" designs/stories can express pretty much anything that realism allows, with the sole requirement of having enough suspension of disbelief. Once you get past that, you can express any emotion and tell any kind of story, without any other barrier than your own imagination. And the reason why I say this is specially true for games/animation is that these mediums are more capable of portraying said concepts visually, while movies will always have the edge when it comes to realism.
In the end, both "currents" are obviously needed in all artistic media... Variety is the spice of life, after all. The problem to me is that, in the current game industry, realism in general seems to be more valued and respected than fantasy by developers and critics, going hand in hand with technological improvements (which can also be applied to fantasy people !), and many times supported by the old notion that fantasy is in general for children or "cheap" (easy to do, easy to please). Of course, I wholeheartedly disagree with that...
