These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: The Stalking Zuko Series
Alternate Character Interpretation: The author has a great deal of these in delving into the characters' psyches. For example, Zuko has had a hard life, while Aang is unused to having trouble with things, leading Aang to slack off when he runs into trouble with bending training, and for Zuko to show him little sympathy for doing so.
Die for Our Ship: A less extreme case, but Aang's portrayal in this fic falls into the first(Aang is shown slacking off or wanting to do more frivolous training exercises, and the author openly states in Chapter 6 of Stalking Zuko that she believes that he got Katara as "a prize for being a good boy"), third(suggesting that Aang and Katara have a "maternal" relationship), and fifth(suggesting that Aang is a hypocrite and he's trying to deny Katara the chance to obtain personal closure) bullet points on Avatar's Die For Our Ship page.
Fridge Brilliance: The Earth Kingdom has different attitudes and better understanding of psychology. If the Dai Li are able to have the most sophisticated mind techinques, it implies that they have a good understanding of psychology and how the mind works.
Which is why in Not Stalking Firelord Zuko, Azula doesn't have a true therapist as Dr. Yang has no experience with psychology while in Jet's Troubling Obsession Smellerbee, Longshot and Zuko were able to send Jet to a psychologist.
One that's pointed out by the author, but in Not Stalking Zuko, the scene breaks have a ? between two hyphens, rather than a !. This shows that Katara is questioning Zuko, rather than angry at him.
Fridge Horror: Untrained firebenders in Sozin's comet had their powers increased to dangerous levels...
What kind of power did Ozai to disappear a public figure like Princess Ursa?
The Joo Dees
Hilarious in Hindsight: It accurately predicted the tension between the Northern and Southern Water Tribes a year before season two of Legend Of Korra down to how they viewed each other.
Tear Jerker: Katara having no idea what to do after Zuko is electrocuted and her nearly having a Heroic BSOD over it. Just her helplessness about it.