although many may have not read light novels, but u can see Ketsurugan arc as an example, as well as The Last movie and many fillers/anime canon things in Naruto and Boruto

Why do people think Naruto light novels are Canon, despite all novels having Canon contradicting statements and Kishimoto never addressing them as Canon like the 2 movies and Boruto manga? - Quora

The Hidden Geekiness of Madara Uchiha. — The author of the novels said it's not canon

In what sequence do the Canon Naruto novels go in terms of chronology (even if overlapping the manga or going outside of it)? - Quora

What is your honest opinion about cyborgs? Do you like it or they have nothing to do with the world of Naruto? : r/Boruto

Luffy is a hybrid of kid Goku and Naruto. : r/OnePiece

Are Naruto light novels canon or fillers? - Quora

Are Naruto light novels canon or fillers? - Quora

Why do people think Naruto light novels are Canon, despite all novels having Canon contradicting statements and Kishimoto never addressing them as Canon like the 2 movies and Boruto manga? - Quora

Why do people think Naruto light novels are Canon, despite all novels having Canon contradicting statements and Kishimoto never addressing them as Canon like the 2 movies and Boruto manga? - Quora

The Hidden Geekiness of Madara Uchiha. — The author of the novels said it's not canon

In what sequence do the Canon Naruto novels go in terms of chronology (even if overlapping the manga or going outside of it)? - Quora

In what sequence do the Canon Naruto novels go in terms of chronology (even if overlapping the manga or going outside of it)? - Quora

People who argue that the novels are canon haven't been paying much attention to the manga. How we can justify the sheer amount of contradictions? : r/Boruto