Never heard of this ballet thing til now. Have heard plenty of rumblings about headers in youth soccer. For both boys and girls.
Male dancers and female athletes exist…
https://www.sfchronicle.com/sports/article/cte-concussion-wo...
Slave values = sacrificing yourself is noble and good.
Aristocracy values = being born an aristocrat is noble and good.
Trader values = enriching oneself is noble and good.
Religious fundamentalist values = following the one and only book is good.
Little girl/consumer values = my emotions are good.
Etc.
Slave and religious values are being replaced by trader and little girl/consumer values.
Boys embody slave or trader values. Girls embody little girl/consumer values.
Boys go to war, girls are little princesses. Ballet/women's pro sports are a niche for the few women who embody slave values. Most embody little girl/consumer values.