Reasons for clutter

creativity,laziness.the most creative of people sometimes never do housework just leave clutter everywhere....but, now they know where their clutter is,and dont like it touched...

OR!!

Reasons FOR clutter:

Laziness

With everything spread out, you can find stuff easier if you already know where it is

Unorganization

Against:

Shows that the person who uses the room is either too busy to clean it or doesn't care to.

Cleaner rooms make people happier in general

If you are organized, your room has more area that you can use