"The argument that this could threaten taxi dispatchers’ way of earning a living is the best though. Just because you’re an incumbent doesn’t give you the right to rest on your laurels and never be challenged. If the dispatchers feel threatened by UberCab, they should try to compete better, not hide behind some lame legal threat."<p>This is such an obvious truth I'm always surprised that people don't recognize it sooner. It's dragged out all the time, and it's never based in reality. Sure, electric lighting put the coal haulers out of business: Good!