I don't know much about what you're saying, as I never use seige engines, and only rarley encouter elephants. Their usually killed easily enough with horse archers peppering them until they go nuts...
Though our main focus is really historicalness, and then comes gameplay. We won't sacrifice history for gameplay.

Red Harvest, what you say about flaming arrows has a point... I think I'm going to bring it up, and try and get them elimatated if they haven't already...