The most important issue in the current games is the awareness of the AI in some specific situations.
At the end, who really cares that the AI is using the same physics than those applied to the player's car as long as the player feels as if he was racing humans in confidence (as trustful human racers can be)?
At the end, who really cares that the AI is using the same physics than those applied to the player's car as long as the player feels as if he was racing humans in confidence (as trustful human racers can be)?