Wow, the amount of QQ in this thread is too damn high.

Yoshi has stated it VERY clearly, the reason they were not able to implement 24 man premades is because they have not been able to finish the UI for it. Right now all they have is the CT UI, but they're trying to figure it out how to get it to work in the open world. It's not as easy as just copy + paste, the Alliance UI elements have a lot to contend with and could easily affect performance in the open world. Once they figure it out, we'll be able to make 24 man pre-mades.