MySpace, unfortunately, has done a poor job with its entire setup for user profiles with regard to style.  Rather than using functional class names, they have used appearance-named classes, like orangetext15.  This is a well-known issue, and many people have created services and template collections to help people reformat their MySpace profile.  I've joined this effort with my own lean styles:  http://www.december.com/html/demo/myspacestyles.html

My point is that you can have a leaner, cleaner MySpace profile.  I think a cluttered look is common; I think new users are attracted to the idea of a variety of colors, fonts, flashing graphics, etc, conveying a sense of style.  This is great to start out, and it can actually convey a lot with regard to social inclusion, much like clothing can help to identify people of different social groups.  My lean styles are just a choice for people who want to have a different look.