Well, in some fanfictions, Sirius might be depicted as hating Hermione due to misunderstandings. Maybe he misunderstands her intentions or actions. For example, if Hermione is shown as being too strict with the rules in a story, Sirius, who has a rebellious streak, could resent that.
In the fanfiction, perhaps there are misunderstandings between Percy and Calypso. Maybe she blames Percy for things he didn't do or vice versa. These constant misunderstandings can lead to Percy hating her.
In some fanfiction, Harry might be written to hate Sirius due to misunderstandings. For example, if a writer wants to create drama, they could make Sirius do something that Harry misinterprets. Maybe Sirius makes a decision about Harry's future without consulting him first, leading Harry to feel angry and resentful.
Maybe Ash hates Pokemon fanfiction because it often goes against the official storylines and characterizations he is used to in the real Pokemon world. Fanfiction might distort the relationships between characters or create out - of - character situations for him.
Some people might hate Pokemon fanfiction because they prefer to stick to the official Pokemon storylines and characters as created by the original developers. Fanfiction often takes creative liberties that can deviate significantly from what they consider to be the 'true' Pokemon universe.
Maybe he finds them too obsessive. In fanfics, fangirls might be portrayed as constantly crowding him, not respecting his personal space, and only being interested in his looks or status as a hero. This could make Naruto, who values real connections and his own growth, dislike such fangirls.
Spike might hate Twilight fanfiction because he doesn't like the way some writers take creative liberties. He may think that they are misinterpreting Twilight's essence. In many fanfictions, the relationships and events are twisted, and Spike, being close to Twilight, might feel protective of her true nature and thus dislike these fictional interpretations.
Maybe he has some personal beliefs or values that conflict with the typical themes in heroine novels. For example, he might dislike the often overly romanticized or damsel - in - distress portrayals in those novels.
Maybe she doesn't like the way some fanfics portray her relationship with Hiccup. Fanfics can sometimes deviate a lot from the original story, and she might be against those inaccurate or out - of - character interpretations.
In some fanfictions, Hermione might be portrayed as hating Ron to create a new and different plot dynamic. Maybe the author wants to explore an alternative relationship path for Hermione, or they could be trying to add more drama by having her oppose Ron, who she is typically friends or more with in the original series.