Organizational structure can be seen as just style points. Gabe Newell of Valve famously does not do organizational structure. He didn't when he worked at Microsoft and he doesn't now. It's also been said per capita/employee no other tech company makes as much money as Valve.
I hope he writes a book about it or something. As an executive at a large organization I'd love to know more and try to run my division like he does. But I don't want to just make it up as I go along....
I'm not sure they do have anything that looks like typical corporate America, but I don't know a lot more. I know at Microsoft everybody reported to him and from what I've been able to piece either that's not changed we Valve. But he obviously doesn't "manage" everybody, so how he does it I'm not sure.
Most organizations are just a dictatorship by another name if we use the definition in The Dictators Handbook which states keep your essentials and influentials small in quantity so you can pay them for results. A democratic environment those groups are many so you can only win them over with policy and influence. I feel like he runs his organization like the second but I want to know more. A lot more.