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I talked with a pre-tenure person who avoids a conference because they saw someone ELSE destroyed during Q&A by one of those senior folks who confuses nastiness with rigor. A good moderator should be ready to manage that.
When I was a postgrad, I was lambasted because I dared to ask a famous academic to explain something. (BTW that academic was openly writing his paper as others presented) Another famous academic asked a fellow PhD student to stand & say her full name b/c she questioned his data
