Earlier quoted context omitted.
It's not just Facebook, but also Twitter and Reddit. The Republican guy that shot the pizza place in DC today was driven by a conspiracy theory marketed on Reddit. These social-media sites are literally dangerous.
Hardly any different than fanatic religions. Even the KKK gets freedom of speech and assembly. I think the problem with digital walled gardens is when the filter totally prevents critical thinking and sometimes even the ensuing cognitive dissonance. Most will resolve the dissonance via withdrawal, not changing their minds. But even withdrawal is better than escalation. If the walled garden makes it easy for people to…
When we watched TV news or skimmed a newspaper, we would also selectively focus on our favorite topics. But other topics at least momentarily grazed or attention while we mentally tuned out or skimmed for more interesting headlines. With highly personalized online media (and yes, the social media filter bubble is just one method to achieve that) we are losing that weak connection to out-of-focus topics. The worst part is that we do not even notice, because when our personalized digest contains a certain amount of content that would be on general news we feel our desire stay up to date already satiated.
If real news (as in what would have made it into mainstream mass media) would somehow disappear from our personalized feeds (leaving them with only the necessarily personalized stuff like niche hobbies, friends and very local content), we would go back to consuming more mainstream news channels again, making us less vulnerable to viral fakes and the like. Unfortunately, this is not anywhere close to a solution since there is no way Facebook could do this (and they would not want anyway).