I think that author's intentions were to show/prove that some virtual girls are much more attractive than the real ones which are sometimes so (I can't think of other words) ugly you feel sick looking at them.
i think the reason why video game characters are so ' hot' is because alot of peeps like too watch them so they buy the game, and if it sells good the makers will continue with making new and hot characters. but still... i don't really care if the video character is hot because its just an game, if she will die will your hearth be broken?... well mine not..