I don’t think the commenter was talking about competition law (aka antitrust law), but rather lower level regulations concerning day to day operations. Stuff li

I don’t think the commenter was talking about competition law (aka antitrust law), but rather lower level regulations concerning day to day operations. Stuff like food safety regulations, hours of service regulations for truck drivers, etc. I think many (but probably not all) of these regulations will tend to encourage consolidation simply by imposing an additional cost that benefits from economies of scale.