That's a very good question indeed, and
Jed Rubenfeld asks it in Lawfare:
In 1924, concerned about monopolization in the radio industry, the secretary of commerce said something prescient:
It cannot be thought that any single person or group shall ever have the right to determine what communication may be made to the American people. ... We cannot allow any single person or group to place themselves in a position where they can censor the material which shall be broadcasted to the public.
What Secretary Herbert Hoover warned against has now come to pass. A ...