1) You might be interested in the book The Influential Mind. While she doesn't come out and say it directly, the bizarre state of our digital lives (i.e., social media) has quite a bit of reasonable (scientific) explanation.
2) The irony of the homogenized "wisdom" is that these same entities are personalizing so much that the shared / collective experience is being diminished. Perhaps it's easier to build mono-minded on top of a disheveled and disorganized foundation?
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