I try to write comments whenever what the code isn't obvious on its own. A "never write comments" proponent might argue that you should never write code that isn't obvious on its own, but that doesn't always work in practice
- Sometimes you have to write cryptic code for performance reasons
- Sometimes you have to deal with unintuitive edge cases
- Sometimes you have to work around bugs in 3rd party code
- Sometimes you are dealing with a problem that is inherently complex or unintuitive, no matter how you put it in to code
One of Zed's focuses is AI integration. Other than that, I suppose if you prefer having a dedicated application with its own UI instead of a terminal based ones.