To prevent companies from being anti-competitive by using vertical integration. There was once a similar thing with movie studios and movie theaters. The Holly

To prevent companies from being anti-competitive by using vertical integration. There was once a similar thing with movie studios and movie theaters. The Hollywood anti-trust case of 1948: https://w.wiki/AWmk https://w.wiki/AWmk (HN eats the period at the end of regular links) Another example is the car dealership system, forcing car manufacturers to sell to dealerships for them to sell.