Surely the fact that at times in the past high heels and dresses have been considered "male" clothing, just goes to strengthen the argument that we need to broaden the definiton of what it means to be a man rather than presuming that behind a wish to wear such items is a deep-seated desire to change gender?
Yes! Leaving SF's appalling ignorance of languages aside, SF appears to think these points make some sort of 'gotcha!' case for transactivism.
In fact, they largely do quite the opposite.