You're not seeing the connection because you aren't thinking at a high enough level of abstraction. The entire social media and entertainment edifice is built on the objective of telling you what you want to hear. This basically generates a rapidly polarizing schism with a tendency toward radicalization, anda natural aversion toward established info sources on course correction, because if they didn't get it right the first time, or second, or third time, then why give the benefit of a doubt?

You can argue these people weren't looking for truth in thefirst place, but you're missing out on that the "Truth" is not the same to all people, and as it turns out, you rely on the fluid nature of non-bubbled organization and communication to ground disruptive social energy and disharmony.