Why Applejack Is UnderappreciatedBased on my brief experience with the brony community, Applejack seems to be the least popular of Mane Six. She's the only one who is called a background pony, albeit jokingly. But why do so many bronies find her uninteresting? They give reasons, but most of them don't add up to anything substantial.More Like This
"She has no flaws"
I don't quite understand how people can't see Applejack's flaws, but the most likely reason is that her flaws aren't as obvious or exaggerated as those of her five friends. They do exist, though. You just have to pay attention.
Stubbornness: In "Applebuck Season," AJ was so stubborn that she worked herself to exhaustion before she finally admitted that she couldn't harvest her entire orchard on her own. She did learn to ask her friends for help, but her mind still tends to get stuck on one track, and as a result she sometimes loses sight of what's really important.
Pride: While AJ's pride isn't as in-your-face as Rainbow Dash's, she still lets pride get in the way