In the Deathly Hallows Part 1, when Hermione obliviates her parents, the question remains – what about all of her parents friends? When they all attend their next dinner party, book club meeting or social function, aren’t their friends gonna be like, “so how’s Hermione?” And then the Grangers are gonna be like “……….who?” And everyone else is gonna be like “what do you mean, who? Your daughter. Hermione.” And then they’re gonna be like “we don’t have a daughter.” And everyone’s gonna be like “……ok?”