"Interestingly, two companies that will not be affected by the law are two of the biggest, most uncompromising corporations in the world: Disney and Comcast. Why, you ask? Because the law has a special exemption for any company "that owns and operates a theme park or entertainment complex" of a certain size."
the definition of "theme park" is specified in another law. In theory, all the major social media companies could buy a stake in a park that meets the criteria, or start their own. but this law is so flimsy that it will probably be struck down pretty quickly.