The example he uses is the OSX Calculator.app which mimics a real-life object almost exactly. By definition then, it is also not as good as a piece of software designed without those limitations.
I’ve been a fan of COLOURlovers for a long time now. I’m pretty sure I was around when the idea was first floated on Kirupa, a flash web design forum that I used to frequent when I first started designing for the web.
Since then, I’ve developed my taste for web design and design in general. I know what I like and I’m pretty quick to make a judgement on whether a site has what it takes to impress me.