Eve is an excellent example of a game with mostly user-supplied content in a loose framework. The game supplies a physics engine and basic rules for game components, but beyond that it is an open world. This is both a strength and a weakness: the game itself isn't that interesting or challenging without interacting with other people. But you can't really see all the game's content because so much territory is control…
>But you can't really see all the game's content because so much territory is controlled by hostile teams There's not that much to see out in those systems. You're definitely not missing any major story lines or lore because of it and the planets and suns are similar as everywhere else.
Still maybe it's just me being a completionist but I'd love to visit every part of the game. Fark it. Maybe I'll just resub and fly throw away stealth bombers until I do. But I sure as hell won't be able to mission with every faction.