Interesting topic, thanks for starting the thread.
There is a great book by Robert Burton, I highly recommend it to all. The title is "on being certain, believing you are right, even when you are not." Burton is a neuroscientist who studies cognition. The basic summary is that humans have "feelings" of being right, that have nothing to do reason. If we took the time to reason out everything, we would lose out to faster acting people, (or animals). So we have evolved a shorthand way of making decisions that involves this feeling of certainty. Once we have that feeling, we don't revisit the issue, we act on it. Any challenge to our set of beliefs "feels" wrong, and so we resist the challenge. He urges everyone to understand what is happening in our brains, and to think skeptically about our beliefs.
Review here:
http://dangerousintersection.org/20...s-to-feel-certain-review-of-on-being-certain/
Colonel John Boyd, USAF, developed the idea of the OODA loop, a cycle of observation, orientation, decision, and action. It was used in the planning for Operation Desert Shield/Storm. The idea of the OODA loop I want to introduce, is that what we observe and how we orient to that understanding of reality has consequences. Boyd's thinking was that if you could observe and orient to what was actually happening faster than your opponent, get inside his ooda loop, you had the advantage. In war this can make the difference between living and dying.
With that background let me respond to your post.
I think it is healthy to question our beliefs and assumptions. We almost never have a completely accurate understanding of the truth. What we have are useful approximations of truth, or reality. When we find that our understanding of reality is wrong. we are best served by reorienting to the new information. When you say...
"... anyone who believes in "facts" is, imo, reverting to some pious psychological resting place and declaring that there is nothing more to know.
The internet, today, has become more and more a "social" context and less and less a place for meaningful communication..... "
You seem to suggest that there is no ultimate reality or truth and that all ideas are equally valid. (If I have that wrong, please correct my understanding.) While we should challenge our beliefs, we are ill served by not believing in facts even if they are just our best approximation of ultimately reality.
How we observe our reality and orient to it has consequences. E.g. If we believe the earth is flat, we never stray far from the shore and lose out when the damn Spanish discovery otherwise. Likewise, if we refuse to believe in global warming science, we will pay the consequences. I think we need more fact checking in today's environment not less. And if we find our sources biased or otherwise wrong, reorient to the new reality.
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