[allendoerfer]

That's a bad idea, because you are cementing power. It would be hard for contenders to get into office. The incumbents already have a bigger platform they can leverage.

I was also getting at the fact, that Twitter, being a private company or not, basically became infrastructure and was thinking about how it should behave, whether that would be enforced by laws or not.

[medium_burrito]

A highly scaleable free Twitter clone for the entire world run by the US government could be built in a year or two on AWS. If you don't need to build the giant ad network, it's much simpler.