It's worth noting that in this context as far as I can tell, Uber's drivers and cars were regulated and licensed. They are allowed to drive limos for hire, but the law requires them to return to their place of business after a job (they aren't allowed to keep cars sitting around to pick up passengers). The google translation of the main complaint by the taxi association is "they keep taxe similar primarily in downtown ready to spontaneously pick up passengers." In other words, they don't wait to receive a call to get a car close and available to their passengers.

So, while it's true that this is probably against the laws of the city, it's hard to see it as anything other than protectionism for taxis: there's no evidence that Uber was causing harm for passengers (or else they'd be talking about this), and there's no reason to believe that making a limo service return its cars to its place of business after each job is inherently better for consumers.