He has no connection to the characters, so he doesn't feel anything when he see's them fight, can't expect him to feel the same things a long time fan would feel upon seeing that clip.
This fight isn't the best for being impressive, its more of a love letter to those who have been watching since naruto ep 1, I feel naruto vs Sasuke in final valley from the first show would have been better
I feel bad for the guy that knew the fight trying to get the other 2 guys hyped and failing. The BIG thing about this fight is the emotions that run behind it. If you are not following the characters and the stories, this goes on like another anime fight, a well done one, but not at all distinguishible. Comparing with Marvel, these guys probably did follow Marvel movies so they get invested in the fights and characters the same way they would, had they been following this anime.
Show him Mob Psycho, the first time Mob goes ??? in the alley way. It doesn't need too much context: his brother is being kidnapped, he's a powerful psychic, and he gets angry. And then from there it's just beautiful colours/animation. Btw you earned yourself a sub, the video and audio is high quality and I liked the overall vibe :)
He may not like the medium. Anime fights have some of the best animation and flow. Most are better than live action choreography because you can actually an animate every frame. It takes a lot of time and dedication. Just like live action movies. Everything has its time and a place
What people don’t understand is that obito was able to pull signs off even with his fingers and hand twined with kakishi’s because it’s his sharingan in kakashi’s left eye. Even though ninjutsu is used through the persons chakra, sharingan multiplies many fold. Simplest terms their chakras are connected.
You should show him either, the Momoshiki/Naruto and Sasuke fight, or show him, Madara entering the war against the allied shinobi force in the desert, cause that fight scene is absolutely crazy.