What if you had a service that stole craigslist's data, but had a better interface and better search? You would then have a superset of Craigslist's data, but

What if you had a service that stole craigslist's data, but had a better interface and better search? You would then have a superset of Craigslist's data, but with a better experience. It would probably be illegal, but you could host it in Lower Elbonia where you wouldn't get prosecuted, like Mygazines.