When a profession has been created as a result of some scarcity, as with librarians or TV programmers, the professionals are often the last ones to see it when that scarcity goes away. It's easier to understand that you face competition than obsolescence.
Sullivan and Weiss weren’t merely the victims of some ethereal struggle between the forces of free speech and ideological censorship: they were the collateral damage of shifting media business models. And there will be lots more of them before this drama finishes.