http://www.bbc.co.uk/news/av/stories-43161945/the-uk-s-first-male-basketball-cheerleader
OTOH Yay! Embraces his gender-non-conforming behaviour, is accepted (apparently) wholeheartedly by women, doesn't 'need' to change his pronouns or anything else about him.
OTOH man joins women's group, starts off quietly at the back, but is soon centre-front, the focus of attention and effecting changes to the group. How much of that is because he is a good dancer, which would be the same for a woman joiner, and how much of that is because he is a man?