It's not going to be in D:OS2 anyway because 4-character RPS wouldn't work (or would be really tedious).
This is basically what Swen told during DOS2 kickstarter. That's why he has decided to remove it. It just doesn't work with 4 players.
Normally I do suggestions rather then tell developers what to do... But in this case
What you guys NEED to do though is allow characters to state their objection but relent.
"Hey I don't think killing this person is a good idea, but whatever..."
That way I can, in character, not chose to fight every time (or give long back and forths) just because I chose a different side.