Semi-honest question: What do you need a window manager, code editor, chat app, etc for if claude is so awesome that it can do everything for you? Why spend 400

Semi-honest question: What do you need a window manager, code editor, chat app, etc for if claude is so awesome that it can do everything for you? Why spend 400$ on making tools that you wont use in any workflow because the only workflow that will be left is prompting and agent to run in a loop