I've had people get very upset with me for pointing out a research error. I once told an author that British currency is the pound, not the dollar. She was enraged that I would dare to criticize her.
"Oh, you can’t help that," said the Cat: "we’re all mad here. I’m mad. You’re mad."
"How do you know I’m mad?" said Alice.
"You must be," said the Cat, "or you wouldn’t have come here.”
- Lewis Carroll, Alice in Wonderland
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