I was watching this fascinating video lecture by a neurobiology professor and the brain regions that are dimorphic and are correlated with expressions of male and female gender alignment; but the comments devolved on accusations of "trans medicalism". My assumption is that this is an accusation of boiling down transgenderism to sex-characteristics as expressed through the brain, and the possibility of "testing" that would deny transgenderness if the person doesn't have these correlating sizes previously identified in research.

Am I missing something?