>Critical infrastructure must be legally protected from censorship and (private, mandate-less) eavesdropping. Whether it is run by a monopoly or many small companies is immaterial.

Well said.

What we have today is an oligopoly on speech by a small handful of ideologically identical technotyrants who have managed to circumvent the first amendment without ever having had to so much as introduce a bill to Congress.

If this keeps going it isn't going to end well.