It would also create a power vacuum. Naruto was a strong force in Konoha. Without him, the village would be more vulnerable to attacks. Enemies might take advantage of the situation, leading to a whole new set of challenges for Konoha.
On a character development level, Naruto himself would change. He would be forced to grow in different ways outside of Konoha. He might make new allies and enemies, and his understanding of the ninja world would expand. His journey would no longer be about protecting Konoha, but rather about finding his own place in the world, which could be a very complex and interesting story arc.
Another reason might be a lack of acceptance. Despite all his efforts, if Naruto still feels like an outcast in Konoha, he could decide to defect. He might think that he can find a place where he is truly understood and valued elsewhere.
As the story progresses in a 'Naruto Defects from Konoha Fanfic', Naruto might also start to question his own identity and values. He has grown up believing in Konoha's ideals, but now that he's outside the village, he has to re - evaluate everything. He could meet new people from different villages or backgrounds who challenge his previous beliefs. This internal struggle, along with the external conflict with Konoha, can make for a very engaging and multi - faceted story. His actions might also have a significant impact on the relationships between different villages in the ninja world, as his defection is a major event that shakes the status quo.
He could defect because of a false accusation. For example, if he is wrongly blamed for a serious crime in the village. This would make him feel betrayed and unwanted. Also, if someone he deeply trusts in Konoha turns against him, it might push him to leave. It's not easy for Naruto, who has always yearned for acceptance in Konoha, but such circumstances could drive him away.
It would create a major shift in the power dynamics. Naruto is a powerful ninja, and his departure from Konoha would leave a void. Enemies might see this as an opportunity to attack the village. Also, his friends in Konoha would be deeply affected, leading to internal conflicts within the village as they struggle to understand his decision.
This kind of fanfiction could add a lot of depth to the Naruto universe. It could explore the darker side of Konoha that we may not have seen much in the original series. It could also show how far characters can be pushed until their loyalty breaks. And it might even lead to a redemption arc for Konoha if the story is written in such a way, where they have to change their ways to win back Naruto and Hinata's love for the village.
There could be a power vacuum. Naruto and Sakura are two of the most powerful ninja in Konoha. Their absence may leave the village vulnerable to attacks from outside forces. Other villages might see this as an opportunity to gain an advantage over Konoha.
The relationship between Konoha and the Uzumaki clan might be further strained. With Kushina leaving, Konoha would lose an important link to the Uzumaki. And other Uzumaki members might see this as a sign that Konoha is not a safe place for them.
From a security perspective, Konoha would be weaker. Naruto is a very powerful ninja, and Hinata is no slouch either. Their skills and abilities would be missed. Enemies might see this as an opportunity to attack Konoha. Also, Naruto has been a symbol of hope for the village. His departure could lead to a decrease in morale among the villagers. They might start to feel less secure and more pessimistic about the future.
It would create a sense of panic. Naruto is a very important figure in Konoha. His strength has been crucial in protecting the village. Without him, the villagers would fear attacks from other villages or threats from the Akatsuki. For instance, if the Akatsuki knew Naruto had left Konoha, they would likely see it as an opportunity to capture him more easily.
If Naruto wasn't from Konoha, his relationship with Sasuke would be very different. Without the Konoha - based rivalry and the shared history of the village, they might not have the intense bond - turned - rivalry that they have in the original story. They could be more like strangers who meet later in life.