Firstly L4D and L4D2 cant really be undone by the survivors AI as its not intended to be played with them, their just there for a bit of practice.
THens the fact that most of the time in my expreince they're reasonably compitent, I only find them a liability in crenchedos or, when I've died.
Total wars AI has nevr been good, especially in sieges, but the move to the musket dominated era of empire and napoleon has brought this even more to light. Thankfully if you have the mates you can cut them out completely in Napoleon.
THens the fact that most of the time in my expreince they're reasonably compitent, I only find them a liability in crenchedos or, when I've died.
Total wars AI has nevr been good, especially in sieges, but the move to the musket dominated era of empire and napoleon has brought this even more to light. Thankfully if you have the mates you can cut them out completely in Napoleon.