Don't forget also that EM has two young sons. She may be approaching this as many of us here, that she is concerned someone someday will turn around to one of her kids and say that some aspect of their personality that is even in the slightest bit GNC means they need permanent surgery and life-long medication with unknown side effects.
As the mother of two DSes who have variously done football and ballet, musical theatre and science, love dressing up as everything from Moana to Batman, play with any kind of toy, dress in any kind of clothes and in any colour, I am afraid of this too.