F1 sports some of the worst AI imaginable. The AI in a racing game usually drives very well on the track, at a good speed, making slow turns, and staying on a set line on the road. None of that happens in F1.
Quite disappointing. It's choppy framerate, second rate graphics, and bland textures affect both gameplay and fun factor. These characters have character, and it simply doesn't show up on the PS2 version.