You do realise there's a good reason it's cheaper don't you.

How many accidents have you been in which required claiming against their insurance (or lack of it). What about unvetted drivers who might rape you?

After airBnB, and Uber, surely the next area ripe for "disruption" / completely ignoring the laws and regulation, is banking. Just offer higher savings rates than any bank, but ignore all that irritating regulation the big banks are subject to!