At that point, they either agree that regulation is in fact a necessary and good thing, and suddenly their whole damn principles are up against the wall and we're arguing about the degree, or they self identify as a person with zero redeeming value that I'll never have to talk or listen to ever again (and really, who the fuck wants to talk to an asshole who values some abstract free market ideal over the rights and freedoms of actual people, because slavery still happens in the world today, and it's not like we never engaged in it in western nations in our collective past either).