What is the argument that Hermione is the real hero?

Harry is the chosen one — the narrative is about him. But Hermione is the reason he survives it. She identifies the Devil's Snare, brews Polyjuice Potion (in second year, as a twelve-year-old), organizes the DA, modifies her parents' memories, manages the entire Horcrux hunt logistics, and provides the knowledge Harry needs at almost every critical juncture. Harry wins the battles. Hermione ensures the battles are winnable.

What would have happened to Harry without Hermione?

He likely doesn't survive Book 1 — the logic puzzle with the potions is Hermione's exclusive domain; Harry and Ron can't solve it. He doesn't brew Polyjuice Potion in Book 2. He doesn't free Sirius in Book 3 (the time-turner plan is Hermione's, and she's the one who knows how to use it). The pattern holds throughout.

Why doesn't the series present it this way?

Because Hermione isn't the protagonist — Harry is, and the story requires our identification with him. Hermione's contributions are structured to enable Harry's heroism rather than replace it. This is excellent structural storytelling and also reflects something real: the person whose work makes things possible often isn't the one history credits.

What does calling Hermione the "real hero" actually mean?

It's a useful corrective, not a literal claim. Harry has qualities Hermione doesn't — the willingness to walk into the Forbidden Forest to die, the raw emotional courage, the natural leadership under fire. Hermione has qualities Harry doesn't — the preparation, the methodology, the analytical intelligence. Both are essential.

What does Hermione's case tell us about heroism?

That it takes multiple forms, and the most visible form is rarely the only one. Hermione is the hero of preparation, organization, and sustained intelligence under pressure. Harry is the hero of courage and sacrifice. Both are necessary. The story knows this, even if the titles don't say it.