Not so sure. We live in a very different time, and appetites for breaking up very large companies with dominant market positions in the US seemed to die with the Clinton administration’s failed attempt on Microsoft.
It's not just appetites. The laws themselves have been reinterpreted, and the AT&T breakup happened right as it was going on - it might have not happened 10 years later.
...at tremendous profit to executives and bankers. All of the resources that various investors sank into building "competing" infrastructure, consumed through strong-armed acquisitions as everyone slowly realized that FCC was just as opposed to competition as they always have been.
