“here you are admitting” As if Mercedes speaks for all trans people, as if she let slip some secret they’ve been hiding from you, as if this one person who’s saying (incorrect) things that vaguely verify your bigotry trump all the evidence to the contrary. You sound like the guy who’s like “all the other scientists…

“despite all measurable, objective, geno- and phenotypical evidence suggesting otherwise?”

This is false, you pulled that out of your ass. Here is the evidence: