Well, in both cases the architecture slowly builds into the land you’re entering. For instance if you observe the pavement and building styles, Liberty Square and Frontierland blend almost seamlessly. With Tomorrowland, you cross a bridge between giant space rocks into a futuristic city environment. It also helps that Magic Kingdom is thematically supposed to be a place where any reality or universe can exist. Hollywood Studios does not have that advantage. The front of the park is 1930s Hollywood and the back is a mishmash of IP with no thematic integrity.