…the house elves are in Hogwarts too. They are not staff, they are school property. Harry owns a house elf after book 5. The books openly ridicule Hermione for being the only sane person and trying to end house elf slavery because apparently the house elves like being enslaved and she’s just overreacting. Need I go on?

Depends where you live, it’s somehow still alive and well in Poland! You’d usually use the lowercase xd for a more refined and low-key vibe tho, the full caps ones are reserved for special occasions.