Can Clutter Be Organized?

Recently I ran across an article that claimed that because "stuff" was in storage boxes, it wasn't clutter. I disagree. Strongly. Clutter is stuff that isn't used. Organization is how you store things you use. I believe that by definition, that means clutter cannot be organized. Here is why:

[source: http://www.simpleproductivityblog.com/can-clutter-organized/]