I don't consider your IOW to be accurate; rejecting the masculine stereotypes is not the same as rejecting the cultural bundle labeled 'man', though obviously it's similar. Most trans men I know are fairly femme, and most trans women fairly butch.
rejecting the masculine stereotypes is not the same as rejecting the cultural bundle labeled 'man'
How so? I don't suppose you consider stuff like height or vocal range as cultural, do you?
Rationality quotes time!
The usual rules: