if you read potter assuming the narrator is not only unreliable but also sleep-deprived and slightly drunk, in makes a lot more sense. it also makes rowling's unhinged lore additions from twitter, like how wizards just used to shit on the floor until plumbing came along, slot in nicely with established facts, like how a hundreds-of-years old building would have a huge network of secret tunnels in the bathrooms. it goes from incongruous to "whos- who's telling thiss story, you or me? shhhutup."