The HomePod Many Is a Great Example of a HomePod

With matter, instead of using two or three separate apps and connecting their cloud service backends to get your smart plug to turn on your lamp when you unlock your front door, that plug and lock and then I talk directly to each other. Matter all works locally by design. It is possible for devices to be internet controllable or desired by the user, but it is not a necessary part of the specification. So, like Apple is undoubtedly adding this whole home app layer with other Apple devices where you can continue to control them outside of your home. But you don't have to do that.