[semimojo]

Why the ad hominem?

I said nothing positive or negative about the man. I pointed out his field of study and questioned why the author didn’t mention it.

[Kalamata]

I said nothing positive or negative about the man. I pointed out his field of study and questioned why the author didn’t mention it.
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Your premise appeared to be that Bergman was trying to hide something, and/or Gelernter is unqualified to evaluate Charlie’s theory.