One oversimplified but potentially useful way to think about corporate regulation is to prevent it from being profitable to cause harm. Of course, this can be very challenging to achieve, and one can debate what "harm" means, how broadly it should be construed, and what to do in cases where there is substantial uncertainty about how to make harm unprofitable. But insofar as it's unprofitable to cause harm, and companies behave as profit maximizers, companies are basically forces for good. ...