Hi,
I've noticed that occasionally the "personality" settings for an AI will not effect them in-game - for instance setting aggression to max. It seems as though they are resetting to default. It doesn't seem to effect the AIs with any consistency: if I set all AIs to max aggression, some will end up being hyper-aggressive with the "--warmonger, -militaristic" diplomatic penalties and others will not.
I play with opponents set to random if that's any help.
Cheers
h