Quote Originally Posted by Bob the Insane
You know, I don't think the ally AI is any worse than the enemy AI...

Yes the initial enemy units will be formed up and manoveur against you... But I have seen enemy AI reinforcements act just as badly as friendly reinforcements.
Reinforcement AI is screwed up in general, but I've seen the enemy AI reinforcements go charging up to take a place in line many times...rather than everyone attacking. It seems to do this on defense a lot. I've not seen the "friendly" AI do this. Also, I've not seen the friendly AI form up its lines and attack normally, something the enemy AI actually does. Of course, I give the friendly AI few chances to actually take the field...