"An unexamined life is not worth living"-Socrates.
Interests
Good stories, whether it be anime, comics, movies, or any other art form. I also love video games in particular, and tend to be nitpicky (of course). I don't stick to one interest, so I am not necessarily "hardcore" into anything. I prefer it that way.
Aside from the pinkness, I think it could be due to her boisterous personality and childish naivete'; both of which are associated with the worst of the brony fandom.
It's better than having the entire internet be a brony hive-mind. Or any kind of hive-mind, for that matter. Just because somebody is an elitist about his/her opinion, doesn't mean that it's worth justifying with a response.