'Own' it? No. Occupy it? Yes. Occupy it to the exclusion of any player not in the guild? Maybe, but not likely. But again, the very size of the galaxy makes it irrelevant if that system is being occupied or not. Even if there is this super rare commodity found there the background simulation will have one or more of the main factions moving in with all the firepower they would need to secure the system and open it up for trade.
Yes, I agree. And I meant "own it" as a gang owns a turf. Basically squatting. I don't think we'll get the kind of player-run industrial backbone you need to create player owned territorial entities we have in Eve.
And even if FD added that sort of thing in the future, the open nature of this game makes it much harder to form solid boundaries and defend territory. That's why I always advocated the removal of stargates in Eve as a method of revitalizing 0.0 gameplay.
Interestingly, I was usually shouted down. Maybe I don't know how to pick my audience.