Sounds like one of the few instances of communism done right. Kudos to Gabe for pulling it off.
sorry to break it to you, but this is the same model 'Gore' is described with in Malcolm Gladwell's "tipping point".
However, both companies are within high-risk, highly volatile industries that depend on creative innovation, where ranks and internal politics are an impediment to sharing ideas (you don't share good ideas with your competition) and this company structure is actually effective. With the additional comment that they control the full production process from idea to publishing.
Any other self employed or self contained autonomy experiments in various industries with less aspects of the full creation process have all been stopped, cancelled, or reincorporated at a later date without real exception.
If I'm not mistaken this was actually the idea behind EA's Visceral studio as well, which has since been closed. Quelle surprise.