A friend who happens to be a psychologist told me that his son's high school psychology teacher was pissed at him because he challenged her assertion that gender is entirely a social construct. Who knows what the teacher actually said, and who knows what she means by the terms gender and social construct, but I'm not interested in discussing the argument itself. Not now, at least.
My friend told his son that some defensiveness is usually contained in beliefs about sexuality because sexuality is fraught with anxieties. And people get rattled when you challenge their defenses directly.
Me: Did he understand what you were saying?
Him: He gets it. He likes these meta-observations.
It reminded me of a comment one of the presenters made at a recent conference. He was talking about testosterone, brain development and brain function, and prefaced his comments by saying: "Outside a setting like this, I'd be in trouble for saying this, but..."