It demonstrates a neat effect. I'm sure many people like me soon were right-clicking to inspect the code.

edit:

And I'm sure this was done with just our kind of people in mind:

/*

Dear Source-Code-Reader

First of all, thank you for caring. Not that many people view source. One of the beautiful things about JavaScript is that it's necessarily Open-Source. I like that a lot. I hope you find this source code somewhat useful, and not too dirty. Remeber to pay it forward.

Stewart Smith, Stewdio. December 2009.

*/