Why did Butch kill Vincent in Pulp Fiction?

No, he didn't. In the movie, Butch and Vincent have their own storylines that cross paths, but Butch doesn't kill Vincent.

No. Vincent's fate was determined by other events and characters in the movie, not Butch.

Yes, he did. It happened in a particular scene where circumstances led to Butch taking that action. The plot twist added a lot of tension to the story.

Butch kills Vincent because of a series of escalating conflicts and misunderstandings that lead to a life-or-death situation.

Yes, he does. In the non - linear storyline of 'Pulp Fiction', Butch's actions play a crucial role. His killing of Vincent is a key event that ties different parts of the story together. It also shows the violent and often unexpected nature of the world depicted in the movie. There are a lot of factors that lead up to this moment, like Butch's own story arc and his interactions with other characters in the film.

Maybe Vincent was there by accident or following some wrong lead. We don't know for sure.

Marcellus wanted to kill Butch because Butch double-crossed him and refused to follow his orders in a fight.

Well, in 'Pulp Fiction', Butch is involved in a lot of violent situations and he does kill some people. For example, he kills the guy in the apartment when he goes back to get his father's watch. His actions are part of the movie's complex and often violent narrative that Quentin Tarantino is known for. It shows Butch as a character who is caught up in a web of crime and survival, and his killings are a result of the situations he finds himself in.

Yes, he did. Butch killed Vincent Vega in self-defense.

It shows the chaos in the movie's world.