Groupthink and Harry Potter

I just stumbled across a fascinating series of articles about Groupthink, particularly in the context of Christian Fundamentalism:
The Danger of Groupthink Part 1: Consensus and Power
The Danger of Groupthink Part 2: Unanimity and Paranoia
Groupthink Part 3: A Dangerous Sense of Invulnerability
Groupthink Part 4: Overestimating the Group's High Moral Stance

I think it clarifies a bit more why groups which start off with good intentions could end up "preaching hate".

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And then I started thinking about Harry Potter. I am such a hopeless fangirl!
( Harry Potter and Groupthink )