It would be disruptive indeed if you changed your beliefs every time you encountered a new bit of evidence. I say “disruptive” because very few of our beliefs are wholly isolated. For example, my belief that global warming is a serious problem is connected to my belief that I was smart and virtuous to buy a hybrid car. It’s also connected to my dislike for my coworker who is full of loud scorn for global warming. So if I change my belief about global warming, that affects my belief about my car (I was a sucker to pay extra for a “green” car) and about my coworker (that loudmouth was right all
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