Well, I personally think the melaniewyv tumblr post was spot on, but here are a couple more takes on the same idea:
http://queenofnorthmountain.tumblr.com/ ... redemption
http://narwhalphonse.tumblr.com/post/75737229565/
The only reason I post them is because I find them expressing the same general views I do. You can ignore them if you wish, but I think they're on to something. The question was, does Anna have a jerk-to-goodness arc (at least as far as a Disney Princess (TM) can ever be shown to be legitimately flawed -- not "spunky" flawed, but with truly unappealing flaws in her character that are undesirable and need to be worked on -- otherwise, it's not much of a flaw), and I think these posts illustrate how she does.
Disney's Divinity wrote:Tbh, I find the sentiment of most of these tumblr posts to be sour grapes that Elsa didn't have all the screen time all to herself. Which is okay to feel, but like it or not Anna is also one of the main characters. If you don't like her, fine. But the filmmakers made her a protagonist for a reason, and it's time to move on instead of constantly trying to knock her just because she isn't Elsa. That whole article came across like someone pissed Elsa wasn't the only protagonist who wanted to demonize the Anna character as much as possible, rather than someone who legitimately had problems with Anna outside the fact that she isn't Elsa.
It's interesting that you mention this, because I used to wonder the same thing: "Is my dislike of Anna just due to the fact that I find Elsa so compelling?"
I thought it wasn't, because I often mused how much more I would have enjoyed the film if, say, Rapunzel had been Elsa's sister instead of Anna.
And the recently released clip of the previous version of Anna (the one with the tougher Kristoff character) confirmed it for me: it really isn't that I dislike movie!Anna for taking away Elsa screen time. I simply dislike movie!Anna as a character, and I'd feel the same way if there were no Elsa in the movie at all, or an Elsa who were a blue-skinned villain or what not. It's just, to me, an extremely unlikable character type. I don't mind other recent "feisty, spunky" Disney princesses nearly as much (mind you, I've never seen Brave).
The other Anna, the one in the deleted earlier clip, I found to be much more likable. If she'd been the character taking up two-third of the movie's screen time, I wouldn't have minded as much, as I'd have sooner enjoyed her scenes.