The POINT is the glow. That the glow works on a form is by happenstance, I'd suppose, as that was the original inspiration. Regardless, it could be a glow behind a blank div and I'd be equally impressed.
The nit that you're picking is akin to tasting someone's new gumbo recipe, and complaining that they didn't use the good china.
I think our interpretation of this is different. Your assertion is that she's trying to show people how to do something. My take is that she's showing people what she did.
http://dl.dropbox.com/u/145404/demo.html - submit inside the <form>