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Or actually, I do disagree.
I assume with this you want to imply @benwehrman is courageous to believe in a flat earth:
i'd hope to have the courage to say so.
Looking up the definition of courage:
the ability to do something that frightens one; bravery.
Believing in a flat earth is not courageous, because they have nothing to be frightened of (except maybe getting laughed out the room), it is delusional.
Or do you think @benwehrman is frightened when he confidently talks about globetards?