[i-LINK]

An echo chamber, also known as "a community" or "having friends," is basically how most human interaction worked before the Web popularized constant, context-collapsed arguing with various types of reactionaries, conspiracy theorists, bio-essentialists, "race realists," "climate skeptics," etc., about which "evidence" sounds or feels the most correct (rather than what evidence is actually provably correct).

[pmarreck]

Fair enough. I suppose that's one way to look at it. Except perhaps greatly-magnified online.