Had blocking news and access to information been in the cards, as you describe, there would be another discussion. This is not it. The closest this comes is to block a linkaggregator. One that has been deemed to violate the laws in its area of business and being reluctant to take steps to rectify the situation.
This being the supreme court doing it does bring up the question of democratic decision making, which famiously has been proven by other countries recently. Although they also gave their president the power to remove themselves from office, if I’ve understood that particular debacle correctly.
Well, that’s been the basis for some other products. AMD and Intel comes to mind😊 They both have IP the other need and historically Intel has been the dominant one, but now the tables have turned somewhat.