It seems like whenever an influencer makes a definitive statement (usually one based in not much more than common sense), the internet spreads it so efficiently, and everyone is so afraid of not being “intellectually trendy”, that it immediately becomes a biblical truth. The “conventional wisdom du jour”, if you will.
Seth Godin and Fred Wilson have this affect, NYTimes and WSJ political commentators have this effect. In every niche circle, there are so-called experts who propagate this behavior.
Before you go around quoting a model for the world you just learned from an Amazon review of a book published last month, decide if you really think this nouveau certainty is really so certain.