If it hadn't been available, then it's a new feature, regardless of how old the code actually is...
It's really not the same thing when it used to be available, but the links got lost in some shuffle, even though the options were actually accessible the whole time.
Also, I thought that rebels were automatically kicked when they failed? Or they just lose their titles?
The rebel leader is automatically kicked. The rest are at the mercy of the Judge—or Ruler.