Are you unaware that Harry Potter is about a Facist takeover of the wizarding world by people who insist on genetic purity and believe that mixed breeds and non-wizards should be wiped out, and done primarily by a nonviolent coup of the governing body of the wizarding world?
The Handmaid's Tale, a good book, you should read it sometime. Harry Potter is also interesting in that it tells a lot about its author and her world view.
Hilariously naive? Are you aware that fiction writers are usually demonstrating something about the real world? Have you ever read a thought experiment? Do you discount blueprints because they're not made from concrete and steel? Get outta here.