So MoR might be a meta-fantasy of the wizarding world as The Sword of Good is a meta-fantasy of the muggle world. Or at least, MoR!Harry might make the same impression to a wizard reading one fic as Hirou does to a muggle reading the other.
Although my instinct is still that Harry fails at the end.
There is an animated series for children aimed at explaining the human body which personifies bacteria, viruses, etc. Anyone interested in pursuing your idea may want to pick up techniques from the show:
Wikipedia article: http://en.wikipedia.org/wiki/Once_Upon_a_Time..._Life
Example: http://www.youtube.com/watch?v=LIyvrcHnriE&t=1m11s