The advantage here is this enables some interesting workflows, like “show me this method and every definition that overrides it in a single view” or “show me th

The advantage here is this enables some interesting workflows, like “show me this method and every definition that overrides it in a single view” or “show me this method and all the methods it calls directly”. So you can project the interesting part of your code base into a temporary editor buffer and then edit it and the language server takes care of persistence. Also, it ends the formatting wars because the in-repository format is disconnected from the user’s preferred format.