Most overlooked by all, the animals of set are often forgotten while playing.
This is an example of how they can fight on his own and even win an escenario vs a Hard AI.
Though the computer is not as hard as a human player, you'll see that my micro is horrible and my economy worse, (That should balance the game)... So after seeing this video think in what you can do with a little more effort/technique.
Initial rushes followed by pressure attacks, god powers... etc etc... The AI not even reached heroic age.