Many high-level players attack from the high ground when possible so being able to quickly edit your builds will ensure more maneuverability.
Like building in this game, editing is intuitive and simple, yet full of nuance. For example, you could build a small three-floor tower with a quick exit by editing out a door on a lower level that you can drop down to if need be. Many high-level players attack from the high ground when possible so being able to quickly edit your builds will ensure more maneuverability.