You don’t have to sue Joe’s taxi, you complain to the regulators and they can lose their taxi license. Generally people aren’t suing because it’s expensive and

You don’t have to sue Joe’s taxi, you complain to the regulators and they can lose their taxi license. Generally people aren’t suing because it’s expensive and a giant pain to do, which is why having a regulatory body that will handle this stuff is better for consumers than relying on court action.