With Google’s recent monopoly status being a topic a discussion recently. This article from 2017 argues that we should nationalize these platforms in the age of platform capitalism. Ahead of its time, in fact the author predicted the downfall of Ello.
Considering it wouldn’t need to run for-profit, it would cost much less than their market evaluation.
I’m not the guy suggesting nationalising SoMe, and I actually don’t think it’s a good thing to nationalise that particular function. But shutting down for-profit driven SoMe would probably be a good idea.