I hate clutter too, but I am not a minimalist. I want everything put away neatly in it's place. No, I NEED everything put away neatly. :P
But I have a large stash and lots of notions; I just have to have a place for everything where its not sitting out. And I do need to clean up whenever I finish for the day.
I would break out in hives if my room ever approached the level of chaos I see in some of your rooms when you're in the middle of a project. I wish I could relax and leave it, but I can't.