Do Creative People Have Clean Desks?

Quickly study the picture below and answer the question in the middle? If I get enough opinions saying clean desks are not useful I can put together a sound defensive argument to present to my husband about why I don't need to spend my time cleaning. 

image.jpg

If I need more facts to back up my theory I am going to consult this wonderful book. 

image.jpg

Sometimes I can't locate this book when I need it and I have to creatively shift through things to unearth it. 

image.jpg

Please respond before 4:00 PST when my husband returns from work.