It could be a way to explore Ginny's character more deeply. By having her stalk Harry, it shows her determination and the strength of her feelings for him. It also gives the writer a chance to show how she might deal with her emotions privately.
Maybe the writers want to deviate from the typical 'happily - ever - after' story. They might feel that in the wizarding world, relationships are complex and not always smooth - sailing. So, the 'Ginny breaks Harry' plot allows them to explore more realistic relationship dynamics within the context of the Harry Potter universe.
Well, for one, it can be a way to show character development. By starting with Ron as a bully, it gives a lot of room for him to grow and change. Also, it can highlight Hermione's strength. Writers like to put her in difficult situations to show how she can overcome them. And sometimes, it's just a different take on the existing relationship dynamics in the Harry Potter universe that fans want to explore.
Some writers choose this theme because it allows for a lot of character development. By putting Naruto in a difficult situation like being experimented on, they can explore his resilience, his will to survive, and his loyalty to his friends and village. It's a way to test the limits of his character.
Some fanfictions delve into the psychological aspect of Ginny's actions. Maybe she has a crush on Harry and her stalking is her way of getting to know him better without having the courage to approach him directly. This can lead to character development and interesting plot twists.
Some writers might do it for the sake of creating drama. By making Ginny a 'villain' of sorts, they can add more conflict to the relationship between Harry and Hermione.
Well, it might be for the shock value or to break the traditional mold of their relationship. By having Bella call Edward daddy, it shakes up the normal perception of their characters and allows for new and different storylines to be explored. It could also be a way to explore deeper psychological aspects of the characters, like Bella's need for a strong protector or Edward's need to be in a position of authority in the relationship.
For creativity. It allows them to explore different gender expressions and identities in a fictional and often more accepting world of anime. It can also add an interesting twist to a story.
Well, it could be for character development. By having Draco hurt Harry, it shows different sides of both characters. Harry might show his resilience, and Draco could be portrayed as more complex, not just a one - dimensional villain. Also, it can make for an interesting twist in the fanfiction story.
Some writers choose this plot because it creates a lot of drama. Harry and Draco are from rival houses at Hogwarts, so forcing them into a marriage is a huge contrast to their previous relationship. It also allows for a lot of character development as they have to overcome their differences.
Some writers might choose this scenario for the shock value. It's an unexpected and somewhat controversial action that can immediately grab the reader's attention and make them want to know more about what led to it and what will happen next.