Some things are in-your-face obvious: Finding great information quickly on the web is difficult; a tun of choices makes of lengthy research, and most of us would prefer just a few great ones; Myspace is visual mess.  Complexity and clutter server to alienate customers. 

Some brands see complexity as a bad thing, and profit by offering a simple alternative. Research proves that this could work:

one study shows that customers would pay an 8% premium for a simpler consumer experience, and 50% would switch brands for it. ref

This is where I find confidence in the direction we are taking ...