I am finding that the AI are just really overly aggressive. You try and do a divebomb on them, they just turn into you like you aren't there, they get no damage, and you get away with a broken front wing and a penalty. But, the AI does the same thing, and you get the damage and the penalty. I was just doing a race with a couple of friends and AI and the AI got "spiteful" because I overtook it and performed a PIT maneuver on me, crashing me out. Or, they drop anchor, mid corner, for no reason. This is just madness!