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On opinions, and how the world needs editors

The reading material for my “Evidence-based Management” course at the University of Cape Town contains an early draft of what ended up becoming chapter 1 of Critical Thinking, Science and Pseudoscience.

Springer book coverIn the book, Dr. Caleb Lack and I argue that phrases like “everybody is entitled to their opinions” are typically trite or misleading.

They can be meaningless, in the sense that of course it’s true that everyone is legally entitled to hold whatever opinions they like.

This doesn’t seem to be what we mean when using the phrase, though – we typically say: “well, you’re entitled to your opinion” precisely when an opinion has been expressed, where we disagree with the expressed opinion, and where we express that disagreement by using the phrase in question.