On the other hand, from what I've heard, D:OS2 didn't have this feature. And it's not there in BG3 so far, which Larian has been developing for years now. So, I think your bet will be as good as any.
No it didn't. All you could was listen on the conversaion to see and hear conversation your buddy was engaged in. BG3 already marketed voting system as the big innovation to coop interaction in conversations: