> The very idea of popularity is up for debate: Is that trend really viral? Did everyone see that post, or is it just my little corner of the internet? This is exactly it. Consider a scenario that's likely fairly common given experiments I've done in the last several years. Say a site people still use to talk to/keep in touch with friends sometimes like IG/FB decides a user is "toxic" and either shadowbans them, or s…
You say this as if humanity has not been fighting over the long-distance communication of information for literally the entire history of human civilization since the invention of language. Even before written language, storytellers decided what oral traditions they would or would not pass on, changing it each time they told it. Replace "social media" with "broadcast networks" or "newspapers" or "scientific journals" and it is the same issue.
You don't have a world in which 8 billion people are connected (or even 1 billion, or even 1 million, or even 1000) without a few intermediaries whose purpose is to distribute some but not all descriptions of reality to a public audience, and who gain immense power through that.