“Crazy Taxi now leverages the power of AI. This transformative machine learning will transform the way gamers interact in our game, as our AI powered engine will robustly streamline the way gamers connect and socialize. Embark on a new journey, where AI will AI. Now, take the next AI step with AI!”
I mean, both forza horizon and the crew exists and are successful, so multiplayer open world driving is a thing people like, I just don't think how they can put Crazy Taxi on it without diluting the gameplay.
Those are racing games, not Taxi games. Of course racing games are a perfect fit for online PvP. But you're not racing against other players while driving a taxi fare.