i'm sorry, but i seem to recall the the original 5 nm's are open world and have worked fine since launch. the strongholds are also open world and have worked perfectly fine. that's my point. things have been in game open world and has been shown it does work fine.
i'm not asking for all open world, but would love to see a mix of both instanced and open world content. it's already been proven in this game that the game cannot handle open world content is a LIE.