Maybe in the fanfic, Harry has done something that goes against Hermione's principles. For example, if he made a hasty decision without considering the consequences, Hermione, who is rational and thoughtful, would find it hard to believe him.
Well, it could be that in the fanfic world, the writer wants to add some drama. So they make Hermione not believe Harry. It could be because of new characters introduced who spread false rumors about Harry, causing Hermione to be skeptical. Also, it might be related to some secrets Harry is keeping that Hermione discovers in a way that makes her question his honesty.
Well, they might be too caught up in the real events of their wizarding world. Fanfiction often takes creative liberties that could seem far - fetched to them. They've lived through the real Harry Potter adventures, so the made - up stories in fanfiction just don't seem believable.
In some fanfictions, the author might want to create a new plot twist. Maybe they introduce a misunderstanding, like Hermione accidentally getting involved in something that looks suspicious to Harry. For example, if she's caught in a secret meeting that she can't immediately explain, Harry could start to lose trust.
Well, in some fanfics, Sirius might not like Hermione because their personalities are too different. Sirius is often depicted as a bit of a rebel, while Hermione is more of a by - the - book type. Their approaches to magic and life in general could clash, leading to dislike in the fictional scenarios of fanfics.
It could be that there are some underlying reasons within the plot of the fanfic. For example, Harry might have some sort of trauma or moral stance that prevents him from competing. Or perhaps he's more focused on other aspects of his life, like exploring magic in a non - competitive way, or building relationships. So he simply chooses not to compete.
The author could be interested in exploring the idea of breaking the norm. In the original story, Harry is a wizard who fully embraces magic. By having him not believe in it, it allows for a more in - depth exploration of the wizarding world from an outsider's perspective. It can also lead to interesting plot twists, like Harry accidentally using magic without realizing it because he doesn't believe it's real.
Maybe Harry is a pacifist in this fanfic. He could have moral objections to fighting, believing that there are better ways to resolve conflicts, such as through dialogue or negotiation.
In some fanfics, the relationship dynamics are deliberately changed for the sake of creating drama or exploring different storylines. So, the author might have made Harry not like Ron to introduce conflict. This could involve things like Ron being too overbearing or not understanding Harry's needs as much as he should in the fan - created scenario.
It could be that in this particular fanfic's universe, Harry follows a different cultural or religious belief that prohibits him from celebrating Halloween. This new set of beliefs might have been introduced in the fanfic's unique storyline.
Maybe the author doesn't like the idea of Harry being part of Quidditch - related fanfic. It could be that they want to focus on other aspects of his character or other parts of the Harry Potter world.