How You Know
There's also a danger associated to this phenomenon. If the source of your mental model is later debunked, you may not realize that you need to revise your model precisely because you don't remember what your source was. You may even read about the debunking of the source but fail to draw the connection and realize the implications that it has for your own view of the world.I think that perhaps very squishy subjects like politics are particularly vulnerable to this sort of disconnect, where a complex viewpoint is formed based on the hot topic of the day, and this viewpoint persists for years or decades even if the basis for its formation is completely forgotten.