CLI is useful for something you know and want to automatically reproduce. But it sucks if the thing you want to do is one-shot or too rare. You read the docs, few tutorials, type the command, aaaand the task is done, the knowledge is gone. I’d just sit there with a black screen if every time I wanted to change a wallpaper I’d have to type out something like `sudo desktopctl -X --ignore-duplicates -f aspect -c 180 ~/path/to/image.jpeg`.