Is There Life Below 600 Pixel?

Is the most common web design concept a myth? Very interesting showcase:

We all know, people have learned to scroll. They did a long time ago, but still the ‘everything needs to be above the fold’ concept lingers on.

And here’s a dissent comment:

It’s well written, beautifully designed, but not realistic. Nearly all your arguments are invalid and unrealistic in a professional context.