The Harry Potter Fandom is extremely diverse, very close-knit, and incredibly crazy, with people genuinely shipping everything from Ron/Hermione to Hogwarts/Giant Squid, but (usually) all loving each other anyway. And even when they don't, they will all band together, no matter who hates who for what reason, if it means defending something that is important to them, usually Harry Potter related.
"We need Harry Potter,
Like a grindylow needs water."
Person 2: What did you think?
Person 1: Those kids are fucking nuts.
Person 2: They are. But they're also amazing.