Uhh, you do have AoC 2 - it's called Conan Exiles.
If you look, it pretty much has almost (or close to) everything that was supposed to be in this game.
-NPC camps/settlements that spawn and start to grow
-Ability to hire NPC guards to defend your/guild base
- NPC's raiding you base (currently in the works)
- Fully functional siege weapons with realistic destruction..
I mean the list goes on... almost all aspects of guild sieges that were promised for this game are in Exiles. Why remake AoC for that, when they already have a game with it?
They're even adding PvE dungeons to the game lol.