Ok, in that case it makes sense, and looks good to me !
In my case (almost unrelated) I was trying to structure resources of an “_index” (branch) in a similar way we structure page bundle resources (in subfolders generally).
But as the documentation and bep says, resources of a branch must live in the same directory as the _index file, which breaks partials designed to look in the subfolders of the bundle when i want to use them in the branch “list.html” or homepage’s “index.html”
following of the discussion about this is here