Especially since his death didn’t really do anything. He didnt sacrifice himself or saved anyone and his death wasn’t discussed much after the initial shock. I assume he had to be out of the picture so Harry could go Horcrux hunting, without him interfering
Put in there just as a cheap way to get emotional reactions from the audience, it’s the story telling equivalent of having the dog in the story die.
Especially since his death didn’t really do anything. He didnt sacrifice himself or saved anyone and his death wasn’t discussed much after the initial shock. I assume he had to be out of the picture so Harry could go Horcrux hunting, without him interfering
Technically, Sirius is the dog in the story.