100% agree. That is why it has been successful. The magnitude would certainly be less if the cost was more because demand is elastic, but head to head with cabs they would dominate at the same price. It is an efficient way to manage resources and just a great thing.

"Breaking Laws" is maybe a bit strong, as regulation is extremely bulky and a monolithic unequippted government isn't in the position to adapt. The laws vary on every level but what I think it comes down to, in a society that teies to be democratic, is whether people are comfortable with this existing. It seems they are.