Halloween had plenty of buzz, it's just a different type than Us. Halloween was literally opening on Halloween weekend, retaining the main characters, buoyed by good reviews and an immense amount of nostalgia + good timing. Halloween was the "hey it's Halloween, let's go see the movie" type of event. But like you said, Peele's brand is much more permeating. Kind of the "high-brow" type of horror. Like, the buzz for Us has been building, but for the most part, it's a movie that you know you're going to see. It's an anticipated follow-up to a breakout film. Hence the higher pre-sales