The point is well-taken that there are causes other than ego, and I could have mentioned that in the post.
I'm not sure what you're getting at with the hockey example, though.
In the example, someone assumes that readers will not realize that a third party (The Bruins) having been wrong is good for them, even though there is no ego involved for most readers.
Phil Birnbaum at Sabermetric Research writes about how people have things backwards; it's great to find out that you're wrong:
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