What would happen if I got some friends together and we all decided to be really dedicatedly rational?
I think it might depend a lot on whether there is one dominant person in the group who succeeds to convince the rest of you that “rationality” means accepting whatever that person says, because they are obviously the smartest one in the group (and probably in the entire universe).
If yes, then what happens is probably some combination of “what that person wants to happen” and “what that person needs to do in order to maintain their control over the group”.
I think it might depend a lot on whether there is one dominant person in the group who succeeds to convince the rest of you that “rationality” means accepting whatever that person says, because they are obviously the smartest one in the group (and probably in the entire universe).
If yes, then what happens is probably some combination of “what that person wants to happen” and “what that person needs to do in order to maintain their control over the group”.